Article(id=1320889135137665392, tenantId=1146029695717560320, journalId=1260987677001138203, issueId=1320888908896907909, articleNumber=null, orderNo=null, doi=10.13386/j.issn1002-0306.2025050171, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1747584000000, receivedDateStr=2025-05-19, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1792854110749, onlineDateStr=2026-10-24, pubDate=1772294400000, pubDateStr=2026-03-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792854110749, onlineIssueDateStr=2026-10-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792854110749, creator=13701087609, updateTime=1792854110749, updator=13701087609, issue=Issue{id=1320888908896907909, tenantId=1146029695717560320, journalId=1260987677001138203, year='2026', volume='47', issue='5', pageStart='1', pageEnd='503', issueExtLink='null', onlineDate='null', pubDate='1772294400000', pubDateStr='2026-03-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792854056809, creator='13701087609', updateTime=1792854056809, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=217, endPage=226, ext={EN=ArticleExt(id=1320889136811192689, articleId=1320889135137665392, tenantId=1146029695717560320, journalId=1260987677001138203, language=EN, title=Construction and Optimization of
Pichia pastoris-based Cell Factory for Production of Hyaluronic Acid and Its Oligosaccharides from Methanol, columnId=1261336275769016441, journalTitle=Science and Technology of Food Industry, columnName=Bioengineering, runingTitle=null, highlight=null, articleAbstract=
Hyaluronic acid (HA) is a high-value glycosaminoglycan that is extensively utilized in the food, pharmaceutical, and cosmetic industries. In this study, to establish greener and more cost-effective methods for HA production, Pichia pastoris was employed as a cell factory to evaluate the feasibility of synthesizing HA from methanol, a C1 substrate. Initially, an HA biosynthetic pathway was designed, which was subsequently incorporated into P. pastoriscells. The production of HA was quantified and confirmed using liquid chromatography and mass spectrometry, thereby verifying the successful establishment of an engineered cell factory. Using this system as a basis, with a view toward enhancing HA yield, hyaluronic acid synthases from different sources were screened. The results revealed that the hyaluronic acid synthase seHAS, derived from Streptococcus equi subsp. zooepidemicus, was characterized by the highest efficiency. Using this synthase, an HA titer of 941 mg/L with a molecular weight of approximately 1100 kDa was obtained under shake flask conditions. In addition, the efficacy of selected high-activity HA depolymerases was assessed, and both exogenous addition and co-expression approaches were employed to analyze potential bottlenecks in HA production. It was found that the depolymerase FhChAC was highly expressed in P. pastoris, and regardless of whether it was exogenously supplied or co-expressed, HA polysaccharides accumulated on the cell surface were efficiently released and degraded to oligosaccharides, thereby contributing to a significant increase in overall HA yield. Based on these optimization steps, a final shake flask fermentation yield of 5.6 g/L of unsaturated disaccharide-form HA oligosaccharides was obtained. The findings from this study are expected to provide important theoretical insights and technical guidance for the engineering of P. pastoris to produce HA from methanol.
, authors=Ziyang YE
1, 2, 3, 4, Taicheng ZHU
2, *, Yin LI
2, Xiangzhao MAO
1, 3, 4, 5, *, authorsList=Ziyang YE, Taicheng ZHU, Yin LI, Xiangzhao MAO, authorCompany=null, correspAuthors=Taicheng ZHU, Xiangzhao MAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2026 Science and Technology of Food Industry. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1320889141550756226, articleId=1320889135137665392, tenantId=1146029695717560320, journalId=1260987677001138203, language=CN, title=利用甲醇合成透明质酸及其寡糖的毕赤酵母细胞工厂的构建与优化, columnId=1261336277547401341, journalTitle=食品工业科技, columnName=生物工程, runingTitle=null, highlight=null, articleAbstract=
透明质酸是一种广泛用于食品、医药和化妆品领域的高价值糖胺聚糖。为探索更绿色、经济的透明质酸生产方式,本研究以毕赤酵母为细胞工厂,评估了利用一碳甲醇合成透明质酸的可行性。首先,在毕赤酵母中设计并构建了透明质酸合成途径,通过液相色谱和质谱分析对产物进行了定量和定性检测,验证了细胞工厂的成功构建。在此基础上,筛选了不同来源的透明质酸合酶以提升产量。结果显示,来源于兽疫链球菌的透明质酸合酶seHAS具有最高的合成效率,在摇瓶发酵条件下透明质酸产量达到941 mg/L,分子量约1100 kDa。此外,本研究还筛选了高活性表达的透明质酸降解酶,并通过外源添加或共表达的方式,探究了透明质酸生产效率的限制因素。结果表明,降解酶FhChAC能够在毕赤酵母中高效表达。通过外源添加或共表达FhChAC能有效释放积累在细胞表面的透明质酸多糖,并将其降解为寡糖,从而显著提升生产效率。通过以上优化,最终在摇瓶发酵中获得了5.6 g/L不饱和二糖形式的透明质酸寡糖产物。本研究为工程毕赤酵母利用一碳甲醇生产透明质酸提供了重要的理论和技术参考。
, authors=叶子扬
1, 2, 3, 4, 朱泰承
2, *, 李寅
2, 毛相朝
1, 3, 4, 5, *, authorsList=叶子扬, 朱泰承, 李寅, 毛相朝, authorCompany=null, correspAuthors=朱泰承, 毛相朝, authorNote=
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, copyrightStatement=版权所有 © 2026《食品工业科技》编辑部, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=9lZbeSWqGTlklR8TaYJ7WA==, magXml=Tsd5UNsiIl4OROrHmXcGyQ==, pdfUrl=null, pdf=W3fm0q7Ycqi/ZMomMa2lhQ==, pdfFileSize=2211362, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=LHEW6KdKKKrgkFIj83suSA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=KQD2Hsn8Cj7CKzF53htfOA==, mapNumber=null, fund=null)}, authors=[Author(id=1320889142674829716, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=ziyangye00@126.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320889143090065817, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, authorId=1320889142674829716, language=EN, stringName=Ziyang YE, firstName=Ziyang, middleName=null, lastName=YE, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, 4, address=
1State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China
2Department of Microbial Physiological & Metabolic Engineering, State Key Laboratory of Microbial Diversity and Innovative Utilization, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
3Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao 266237, China
4Qingdao Key Laboratory of Food Biotechnology, Qingdao 266404, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320889143207506330, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, authorId=1320889142674829716, language=CN, stringName=叶子扬, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, 4, address=
1中国海洋大学食品科学与工程学院,海洋食品加工与安全控制全国重点实验室,山东青岛 266404
2中国科学院微生物研究所,微生物多样性与资源创新利用全国重点实验室,微生物生理与代谢工程研究室,北京 100101
3青岛海洋科技中心海洋药物与生物制品功能实验室,山东青岛 266237
4青岛市食品生物技术重点实验室,山东青岛 266404, bio={"content":"
叶子扬(2000−),男,硕士研究生,研究方向:食品生物技术,E-mail:ziyangye00@126.com
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叶子扬(2000−),男,硕士研究生,研究方向:食品生物技术,E-mail:ziyangye00@126.com
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1中国海洋大学食品科学与工程学院,海洋食品加工与安全控制全国重点实验室,山东青岛 266404)]), AuthorCompany(id=1320889141865329030, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, xref=2, ext=[AuthorCompanyExt(id=1320889141873717639, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, companyId=1320889141865329030, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2中国科学院微生物研究所,微生物多样性与资源创新利用全国重点实验室,微生物生理与代谢工程研究室,北京 100101)]), AuthorCompany(id=1320889141953409417, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, xref=3, ext=[AuthorCompanyExt(id=1320889141961798026, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, companyId=1320889141953409417, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3青岛海洋科技中心海洋药物与生物制品功能实验室,山东青岛 266237)]), AuthorCompany(id=1320889142041489804, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, xref=4, ext=[AuthorCompanyExt(id=1320889142054072717, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, companyId=1320889142041489804, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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4青岛市食品生物技术重点实验室,山东青岛 266404)])]), Author(id=1320889143954092444, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhutc@im.ac.cn, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1320889145644396962, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, authorId=1320889143954092444, language=EN, stringName=Taicheng ZHU, firstName=Taicheng, middleName=null, lastName=ZHU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, *, address=
2Department of Microbial Physiological & Metabolic Engineering, State Key Laboratory of Microbial Diversity and Innovative Utilization, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320889146017690019, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, authorId=1320889143954092444, language=CN, stringName=朱泰承, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, *, address=
2中国科学院微生物研究所,微生物多样性与资源创新利用全国重点实验室,微生物生理与代谢工程研究室,北京 100101, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1320889141865329030, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, xref=2, ext=[AuthorCompanyExt(id=1320889141873717639, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, companyId=1320889141865329030, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2中国科学院微生物研究所,微生物多样性与资源创新利用全国重点实验室,微生物生理与代谢工程研究室,北京 100101)])]), Author(id=1320889146101576101, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320889146428731815, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, authorId=1320889146101576101, language=EN, stringName=Yin LI, firstName=Yin, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2Department of Microbial Physiological & Metabolic Engineering, State Key Laboratory of Microbial Diversity and Innovative Utilization, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320889146512617896, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, authorId=1320889146101576101, language=CN, stringName=李寅, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=
2中国科学院微生物研究所,微生物多样性与资源创新利用全国重点实验室,微生物生理与代谢工程研究室,北京 100101, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1320889141865329030, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, xref=2, ext=[AuthorCompanyExt(id=1320889141873717639, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, companyId=1320889141865329030, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1, 3, 4, 5, *, address=
1State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China
3Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao 266237, China
4Qingdao Key Laboratory of Food Biotechnology, Qingdao 266404, China
5Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, Qingdao 266404, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320889147426976176, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, authorId=1320889146860745130, language=CN, stringName=毛相朝, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 3, 4, 5, *, address=
1中国海洋大学食品科学与工程学院,海洋食品加工与安全控制全国重点实验室,山东青岛 266404
3青岛海洋科技中心海洋药物与生物制品功能实验室,山东青岛 266237
4青岛市食品生物技术重点实验室,山东青岛 266404
5中国轻工业水产品生物加工重点实验室,山东青岛 266404, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1320889141777248643, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, xref=1, ext=[AuthorCompanyExt(id=1320889141785637252, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, companyId=1320889141777248643, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1中国海洋大学食品科学与工程学院,海洋食品加工与安全控制全国重点实验室,山东青岛 266404)]), AuthorCompany(id=1320889141953409417, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, xref=3, ext=[AuthorCompanyExt(id=1320889141961798026, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, companyId=1320889141953409417, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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5Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, Qingdao 266404, China), AuthorCompanyExt(id=1320889142330896785, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, companyId=1320889142314119567, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Schematic diagram of the hyaluronic acid biosynthesis pathway in P. pastoris-based cell factories, figureFileSmall=4imDHQVwKvJnIXo/Hge0gg==, figureFileBig=LHEW6KdKKKrgkFIj83suSA==, tableContent=null), ArticleFig(id=1320889151138935231, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=CN, label=图1, caption=
毕赤酵母细胞工厂中透明质酸合成途径的示意图注:Fru-6-P:6-磷酸果糖;Glc-6-P:6-磷酸葡萄糖;Glc-1-P:1-磷酸葡萄糖;UDP-Glc:尿苷二磷酸-葡萄糖;UDP-GlcA:尿苷二磷酸-葡萄糖醛酸;GlcN-6-P:6-磷酸葡萄糖胺;GlcNAc-6-P:6-磷酸乙酰葡萄糖胺;GlcNAc-1-P:1-磷酸N-乙酰葡萄糖胺;UDP-GlcNAc:尿苷二磷酸-N-乙酰葡萄糖胺;Pgi:磷酸葡糖异构酶;Pgm:磷酸葡糖变位酶;GalU:尿苷二磷酸-葡萄糖焦磷酸化酶;Ugd:尿苷二磷酸-葡萄糖脱氢酶;GlmS:磷酸葡糖胺合酶;GpaT:磷酸葡糖胺乙酰基转移酶;Pagm:磷酸乙酰葡糖胺变位酶;Uagdp:尿苷二磷酸-N-乙酰葡糖胺焦磷酸化酶;Type Ⅰ HAS:Ⅰ型透明质酸合酶;Type Ⅱ HAS:Ⅱ型透明质酸合酶;UTP:尿苷三磷酸;PPi:焦磷酸;NAD+:氧化型烟酰胺腺嘌呤二核苷酸;NADH:还原型烟酰胺腺嘌呤二核苷酸;Gln:谷氨酰胺;Glu:谷氨酸;Ac-CoA:乙酰辅酶A;CoA:辅酶A;HA:透明质酸。
, figureFileSmall=4imDHQVwKvJnIXo/Hge0gg==, figureFileBig=LHEW6KdKKKrgkFIj83suSA==, tableContent=null), ArticleFig(id=1320889151587725761, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=EN, label=Fig.2, caption=
Determination of hyaluronic acid produced by the engineered strains xl2HA and pmHA after a 96-hour fermentation in shake flasks, figureFileSmall=0wQFk93U/FUeZlWDnofOiQ==, figureFileBig=6oQp6E0ZjQ5uFHH029uT7Q==, tableContent=null), ArticleFig(id=1320889151881327042, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=CN, label=图2, caption=
工程菌xl2HA和pmHA摇瓶发酵96 h生产透明质酸的检测结果注:A:HPLC法检测工程菌xl2HA和pmHA摇瓶发酵96 h所得透明质酸产物的色谱图;B:工程菌xl2HA和pmHA摇瓶发酵96 h的透明质酸产量;图中*表示与其他组相比差异显著(P<0.05),图4、图6同。
, figureFileSmall=0wQFk93U/FUeZlWDnofOiQ==, figureFileBig=6oQp6E0ZjQ5uFHH029uT7Q==, tableContent=null), ArticleFig(id=1320889151961018819, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=EN, label=Fig.3, caption=
Confirmation of hyaluronic acid synthesis by the engineered strain pmHA using LC-MS, figureFileSmall=r/FC30PSfvYAsKU20H00/Q==, figureFileBig=m3SI8EOrXBIvJ5HAopIoPA==, tableContent=null), ArticleFig(id=1320889152036516292, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=CN, label=图3, caption=
工程菌pmHA合成透明质酸的LC-MS鉴定注:A:透明质酸不饱和二糖标品;B:工程菌pmHA摇瓶发酵96 h产物经软骨素酶ABC处理后的反应液;上图为总离子流色谱图(TIC),下图为保留时间0.840 min特征峰的质谱图。
, figureFileSmall=r/FC30PSfvYAsKU20H00/Q==, figureFileBig=m3SI8EOrXBIvJ5HAopIoPA==, tableContent=null), ArticleFig(id=1320889152099430853, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=EN, label=Fig.4, caption=
Screening of hyaluronic acid synthases and analysis of hyaluronic acid produced by the engineered strain GS-dcbC-seHAS, figureFileSmall=ex/hhU+XNNnp6u2qxDCD3Q==, figureFileBig=ViDcwZQ8+8PcjjJziE2RtQ==, tableContent=null), ArticleFig(id=1320889152300757446, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=CN, label=图4, caption=
透明质酸合酶的筛选及工程菌GS-dcbC-seHAS透明质酸产物的检测分析注:A:整合不同透明质酸合酶基因的工程菌摇瓶发酵96 h的透明质酸产量;B:工程菌GS-dcbC-seHAS合成透明质酸的LC-MS鉴定,上图为总离子流色谱图(TIC),下图为保留时间为0.840 min特征峰的质谱图;C:工程菌GS-dcbC-seHAS合成透明质酸的分子量测定。
, figureFileSmall=ex/hhU+XNNnp6u2qxDCD3Q==, figureFileBig=ViDcwZQ8+8PcjjJziE2RtQ==, tableContent=null), ArticleFig(id=1320889152372060615, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=EN, label=Fig.5, caption=
Schematic representation of the presumed location of synthesized hyaluronic acid in engineered P. pastoris, figureFileSmall=BBnU40illkFaRko/MCppqQ==, figureFileBig=SmzGYJRUJ51EfQ7KI+NpnQ==, tableContent=null), ArticleFig(id=1320889152430780872, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=CN, label=图5, caption=
工程毕赤酵母中透明质酸细胞定位的推测示意图注:HA oligosaccharide:透明质酸寡糖;HA depolymerase:透明质酸降解酶;Extracellular:胞外环境;Cell wall:细胞壁;Mannoprotein:甘露糖蛋白层;Glucan:葡聚糖层;Chitin:几丁质层;Plasma membrane:细胞膜;Cytosol:细胞质;HA:透明质酸;HA synthase:透明质酸合酶。
, figureFileSmall=BBnU40illkFaRko/MCppqQ==, figureFileBig=SmzGYJRUJ51EfQ7KI+NpnQ==, tableContent=null), ArticleFig(id=1320889152489501129, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=EN, label=Fig.6, caption=
Hyaluronic acid depolymerizing activity in a crude enzyme solution from engineered strains after a 96-hour fermentation in shake flasks and its effects on hyaluronic acid molecular weight, figureFileSmall=v3ESdgMO+FssLDGqXehfGg==, figureFileBig=nBALcJfJqeY8JfxfhdlJ4w==, tableContent=null), ArticleFig(id=1320889152556609994, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=CN, label=图6, caption=
工程菌经96 h摇瓶发酵所得粗酶液中HA降解酶活力及其用于降低HA分子量的效果注:A:工程菌经96 h摇瓶发酵所得粗酶液中HA降解酶活力;B:琼脂糖凝胶电泳分析不同工程菌发酵所得粗酶液与HA(1000 kDa)反应后的产物分子量;Ce:添加菌株GS-sec-CeChnase发酵所得粗酶液进行反应;Fh:添加菌株GS-sec-FhChAC发酵所得粗酶液进行反应;Pv:添加菌株GS-sec-PvChABC发酵所得粗酶液进行反应;NC:添加经热变性处理后的粗酶液进行反应作为对照。
, figureFileSmall=v3ESdgMO+FssLDGqXehfGg==, figureFileBig=nBALcJfJqeY8JfxfhdlJ4w==, tableContent=null), ArticleFig(id=1320889152636301771, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=EN, label=Fig.7, caption=
Effects of FhChAC addition on hyaluronic acid release and production, figureFileSmall=9zWU939M7yc2ONawWc55Gw==, figureFileBig=2ugM1AZ4j7DNRK8cPgIdfw==, tableContent=null), ArticleFig(id=1320889152703410636, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=CN, label=图7, caption=
添加FhChAC对透明质酸的释放和产量的影响注:图中*表示透明质酸总量与其他组相比差异显著(P<0.05)。
, figureFileSmall=9zWU939M7yc2ONawWc55Gw==, figureFileBig=2ugM1AZ4j7DNRK8cPgIdfw==, tableContent=null), ArticleFig(id=1320889152770519501, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=EN, label=Fig.8, caption=
Analysis of the product of the engineered strain GS-dcbC-seHAS-sec-FhChAC and its productivity following a 96-hour fermentation in shake flasks, figureFileSmall=OuktFZ6hiUVc+wZDxVvr5g==, figureFileBig=qCKnEYyDcAqAQF/nhHkd3Q==, tableContent=null), ArticleFig(id=1320889152833434062, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=CN, label=图8, caption=
工程菌GS-dcbC-seHAS-sec-FhChAC的产物分析及在96 h摇瓶发酵中的生产性能注:A:工程菌GS-dcbC-seHAS-sec-FhChAC摇瓶发酵96 h所得产物样品经软骨素酶ABC处理前后的色谱分析;B:工程菌GS-dcbC-seHAS-sec-FhChAC摇瓶发酵96 h的生产性能。
, figureFileSmall=OuktFZ6hiUVc+wZDxVvr5g==, figureFileBig=qCKnEYyDcAqAQF/nhHkd3Q==, tableContent=null), ArticleFig(id=1320889152917320143, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=EN, label=Table 1, caption=
Plasmids and strains used in this study
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质粒或菌株 | 相关信息 | 来源 |
|---|
| 质粒 | | |
| pPICH | AOX1启动子,Hygr | 实验室保存 |
| pPICZ | AOX1启动子,Zeor | 实验室保存 |
| pPICZα | AOX1启动子,含α交配因子信号肽的分泌表达载体,Zeor | 实验室保存 |
| pL3Hhis | HIS4,用于Golden Gate Assembly的载体骨架,Hygr | 实验室保存 |
| pPICZ-pmdcbC | pPICZ衍生,插入pmdcbC基因 | 本研究 |
| pPICH-pmHAS | pPICH衍生,插入pmHAS基因 | 本研究 |
| pPICH-xl2HAS | pPICH衍生,插入xl1HAS基因 | 本研究 |
| pPICH-xl1HAS | pPICH衍生,插入xl2HAS基因 | 本研究 |
| pPICH-cnHAS | pPICH衍生,插入cnHAS基因 | 本研究 |
| pPICH-cvHAS | pPICH衍生,插入cvHAS基因 | 本研究 |
| pPICH-seHAS | pPICH衍生,插入seHAS基因 | 本研究 |
| pPICZα-FhChAC | pPICZα衍生,插入HA降解酶FhChAC的编码基因 | 本研究 |
| pPICZα-CeChnase | pPICZα衍生,插入HA降解酶CeChnase的编码基因 | 本研究 |
| pPICZα-PvChABC | pPICZα衍生,插入HA降解酶PvChABC的编码基因 | 本研究 |
| pL3Hhis-pmdcbC-pmHAS | pL3Hhis衍生,插入pmdcbC和pmHAS基因 | 本研究 |
| pL3Hhis-pmdcbC-xl2HAS | pL3Hhis衍生,插入pmdcbC和xl2HAS基因 | 本研究 |
| pL3Hhis-pmdcbC-xl1HAS | pL3Hhis衍生,插入pmdcbC和xl1HAS基因 | 本研究 |
| pL3Hhis-pmdcbC-cnHAS | pL3Hhis衍生,插入pmdcbC和cnHAS基因 | 本研究 |
| pL3Hhis-pmdcbC-cvHAS | pL3Hhis衍生,插入pmdcbC和cvHAS基因 | 本研究 |
| pL3Hhis-pmdcbC-seHAS | pL3Hhis衍生,插入pmdcbC和seHAS基因 | 本研究 |
| 菌株 | | |
| E. coli DH5α | 用于表达载体的构建 | Invitrogen |
| P. pastoris GS115(GS) | HIS4,野生型毕赤酵母菌株 | Invitrogen |
| GS-dcbC-xl2HAS(xl2HA) | GS转入线性化载体pL3Hhis-pmdcbC-xl2HAS | 本研究 |
| GS-dcbC-pmHAS(pmHA) | GS转入线性化载体pL3Hhis-pmdcbC-pmHAS | 本研究 |
| GS-dcbC-xl1HAS | GS转入线性化载体pL3Hhis-pmdcbC-xl1HAS | 本研究 |
| GS-dcbC-cnHAS | GS转入线性化载体pL3Hhis-pmdcbC-cnHAS | 本研究 |
| GS-dcbC-cvHAS | GS转入线性化载体pL3Hhis-pmdcbC-cvHAS | 本研究 |
| GS-dcbC-seHAS | GS转入线性化载体pL3Hhis-pmdcbC-seHAS | 本研究 |
| GS-sec-FhChAC | GS转入线性化载体pPICZα-FhChAC | 本研究 |
| GS-sec-CeChnase | GS转入线性化载体pPICZα-CeChnase | 本研究 |
| GS-sec-PvChABC | GS转入线性化载体pPICZα-PvChABC | 本研究 |
| GS-dcbC-seHAS-sec-FhChAC | GS-dcbC-seHAS转入线性化载体pPICZα-FhChAC | 本研究 |
), ArticleFig(id=1320889152984429008, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=CN, label=表1, caption=
本研究所用质粒与菌株
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质粒或菌株 | 相关信息 | 来源 |
|---|
| 质粒 | | |
| pPICH | AOX1启动子,Hygr | 实验室保存 |
| pPICZ | AOX1启动子,Zeor | 实验室保存 |
| pPICZα | AOX1启动子,含α交配因子信号肽的分泌表达载体,Zeor | 实验室保存 |
| pL3Hhis | HIS4,用于Golden Gate Assembly的载体骨架,Hygr | 实验室保存 |
| pPICZ-pmdcbC | pPICZ衍生,插入pmdcbC基因 | 本研究 |
| pPICH-pmHAS | pPICH衍生,插入pmHAS基因 | 本研究 |
| pPICH-xl2HAS | pPICH衍生,插入xl1HAS基因 | 本研究 |
| pPICH-xl1HAS | pPICH衍生,插入xl2HAS基因 | 本研究 |
| pPICH-cnHAS | pPICH衍生,插入cnHAS基因 | 本研究 |
| pPICH-cvHAS | pPICH衍生,插入cvHAS基因 | 本研究 |
| pPICH-seHAS | pPICH衍生,插入seHAS基因 | 本研究 |
| pPICZα-FhChAC | pPICZα衍生,插入HA降解酶FhChAC的编码基因 | 本研究 |
| pPICZα-CeChnase | pPICZα衍生,插入HA降解酶CeChnase的编码基因 | 本研究 |
| pPICZα-PvChABC | pPICZα衍生,插入HA降解酶PvChABC的编码基因 | 本研究 |
| pL3Hhis-pmdcbC-pmHAS | pL3Hhis衍生,插入pmdcbC和pmHAS基因 | 本研究 |
| pL3Hhis-pmdcbC-xl2HAS | pL3Hhis衍生,插入pmdcbC和xl2HAS基因 | 本研究 |
| pL3Hhis-pmdcbC-xl1HAS | pL3Hhis衍生,插入pmdcbC和xl1HAS基因 | 本研究 |
| pL3Hhis-pmdcbC-cnHAS | pL3Hhis衍生,插入pmdcbC和cnHAS基因 | 本研究 |
| pL3Hhis-pmdcbC-cvHAS | pL3Hhis衍生,插入pmdcbC和cvHAS基因 | 本研究 |
| pL3Hhis-pmdcbC-seHAS | pL3Hhis衍生,插入pmdcbC和seHAS基因 | 本研究 |
| 菌株 | | |
| E. coli DH5α | 用于表达载体的构建 | Invitrogen |
| P. pastoris GS115(GS) | HIS4,野生型毕赤酵母菌株 | Invitrogen |
| GS-dcbC-xl2HAS(xl2HA) | GS转入线性化载体pL3Hhis-pmdcbC-xl2HAS | 本研究 |
| GS-dcbC-pmHAS(pmHA) | GS转入线性化载体pL3Hhis-pmdcbC-pmHAS | 本研究 |
| GS-dcbC-xl1HAS | GS转入线性化载体pL3Hhis-pmdcbC-xl1HAS | 本研究 |
| GS-dcbC-cnHAS | GS转入线性化载体pL3Hhis-pmdcbC-cnHAS | 本研究 |
| GS-dcbC-cvHAS | GS转入线性化载体pL3Hhis-pmdcbC-cvHAS | 本研究 |
| GS-dcbC-seHAS | GS转入线性化载体pL3Hhis-pmdcbC-seHAS | 本研究 |
| GS-sec-FhChAC | GS转入线性化载体pPICZα-FhChAC | 本研究 |
| GS-sec-CeChnase | GS转入线性化载体pPICZα-CeChnase | 本研究 |
| GS-sec-PvChABC | GS转入线性化载体pPICZα-PvChABC | 本研究 |
| GS-dcbC-seHAS-sec-FhChAC | GS-dcbC-seHAS转入线性化载体pPICZα-FhChAC | 本研究 |
), ArticleFig(id=1320889153068315089, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=EN, label=Table 2, caption=
Main primers used in this study
, figureFileSmall=null, figureFileBig=null, tableContent=
| 引物 | 序列(5ʹ-3ʹ) |
|---|
| 5ʹAOX | GACTGGTTCCAATTGACAAGC |
| 3ʹAOX | GCAAATGGCATTCTGACATCC |
| GGA-start-F | GGCTACGGTCTCACAGAAACATCCAA AGACGAAAGGT |
| GGA-1-R | GGCTACGGTCTCCTGTTATCTTCTGTACTCTGAAGAGG |
| GGA-2-F | GGCTACGGTCTCCAACATCCAAAGACGAAAGG |
| GGA-end-R | GGCTACGGTCTCCTCCTATCTTCTGTA CTCTGAAGAGG |
), ArticleFig(id=1320889153160589778, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889135137665392, language=CN, label=表2, caption=
本研究所用主要引物
, figureFileSmall=null, figureFileBig=null, tableContent=
| 引物 | 序列(5ʹ-3ʹ) |
|---|
| 5ʹAOX | GACTGGTTCCAATTGACAAGC |
| 3ʹAOX | GCAAATGGCATTCTGACATCC |
| GGA-start-F | GGCTACGGTCTCACAGAAACATCCAA AGACGAAAGGT |
| GGA-1-R | GGCTACGGTCTCCTGTTATCTTCTGTACTCTGAAGAGG |
| GGA-2-F | GGCTACGGTCTCCAACATCCAAAGACGAAAGG |
| GGA-end-R | GGCTACGGTCTCCTCCTATCTTCTGTA CTCTGAAGAGG |
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