Article(id=1297571073889948230, tenantId=1146029695717560320, journalId=1192105938417971205, issueId=1297570992835023717, articleNumber=null, orderNo=null, doi=10.13343/j.cnki.wsxb.20260162, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1772208000000, receivedDateStr=2026-02-28, revisedDate=null, revisedDateStr=null, acceptedDate=1774800000000, acceptedDateStr=2026-03-30, onlineDate=1787294651719, onlineDateStr=2026-08-21, pubDate=1785772800000, pubDateStr=2026-08-04, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1787294651719, onlineIssueDateStr=2026-08-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1787294651719, creator=13701087609, updateTime=1787294651719, updator=13701087609, issue=Issue{id=1297570992835023717, tenantId=1146029695717560320, journalId=1192105938417971205, year='2026', volume='66', issue='8', pageStart='3681', pageEnd='4288', issueExtLink='null', onlineDate='null', pubDate='1785772800000', pubDateStr='2026-08-04', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1787294632395, creator='13701087609', updateTime=1787294931551, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1297572247670124783, tenantId=1146029695717560320, journalId=1192105938417971205, issueId=1297570992835023717, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1297572247670124784, tenantId=1146029695717560320, journalId=1192105938417971205, issueId=1297570992835023717, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=4226, endPage=4241, ext={EN=ArticleExt(id=1297571074087080519, articleId=1297571073889948230, tenantId=1146029695717560320, journalId=1192105938417971205, language=EN, title=Mechanism underlying the silencing of xylose metabolism in
Pichia kudriavzevii, columnId=1192149543992045670, journalTitle=Acta Microbiologica Sinica, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=
The efficient conversion of lignocellulosic biomass is at the core of ensuring the economic feasibility of biorefineries, where the comprehensive utilization of xylose serves as a determinant of overall conversion efficiency. Pichia kudriavzevii has demonstrated significant potential in industrial bioprocessing owing to its tolerance to low pH, high temperatures, and environmental stressors. However, its innate deficiency in xylose assimilation severely restricts its application in biomass valorization. [Objective] To elucidate the molecular mechanisms underlying the silencing of xylose metabolism in P. kudriavzevii E1, thereby providing a theoretical basis for the bioconversion of lignocellulosic feedstocks. [Methods] The xylose assimilation capacity of P. kudriavzevii E1 was evaluated, and its genome was analyzed to identify the genes and metabolic bottlenecks associated with xylose assimilation. Comparative transcriptomics was employed to characterize the differential expression of metabolic genes before and after the introduction of a xylose transporter. Furthermore, the heterologous expression of genes involved in efficient xylose metabolism was performed to verify specific rate-limiting steps within the pathway. [Results] Bioinformatics analysis, coupled with the functional restoration of xylose uptake via heterologous transporter expression, confirmed that the lack of high-affinity xylose transporters was the primary limiting factor for xylose assimilation in P. kudriavzevii E1. Although three genes—PkXYL1, PkXYL2, and PkXKS1—encoding core enzymes of the xylose redox pathway were natively present in the P. kudriavzevii E1 genome, in vitro enzymatic assays revealed that the low relative activity of PkXR was a critical cause of substrate accumulation and slow xylose metabolism. Comparative transcriptomics of the engineered strain P. kudriavzevii E1-Xpg4562 indicated that yeast cells underwent profound metabolic reprogramming in xylose-containing media, preferentially activating ribosome biogenesis and oxidative phosphorylation. However, the significant downregulation of TAL1 and the insufficient transcriptional response of genes in the pentose phosphate pathway (PPP) resulted in inefficient PPP flux. This prevented the effective redirection of carbon flux into glycolysis, thereby obstructing downstream xylose metabolism. Finally, quantification of the expression of key xylose metabolism genes identified by transcriptomics further demonstrated that the uncoordinated transcriptional regulation of essential downstream genes hindered overall metabolic efficiency. [Conclusion] The silencing of xylose metabolism in P. kudriavzevii E1 results from the combined effects of deficient substrate transport, low endogenous catalytic activity, and uncoordinated transcriptional regulation. This study provides a crucial theoretical foundation for the precision engineering of xylose metabolic pathways in non-conventional industrial yeasts.
, authors=Zitong YUAN
1, Yi WANG
2, Ripeng ZHANG
2, Limin CAO
1, Bo YU
2, Limin WANG
2, authorsList=Zitong YUAN, Yi WANG, Ripeng ZHANG, Limin CAO, Bo YU, Limin WANG, authorCompany=null, correspAuthors=Limin CAO, Limin WANG, authorNote=null, correspAuthorsNote=
, copyrightStatement=null, 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=1297571077081813588, articleId=1297571073889948230, tenantId=1146029695717560320, journalId=1192105938417971205, language=CN, title=库德里阿兹威氏毕赤酵母木糖代谢沉默机制解析, columnId=1192149544164012138, journalTitle=微生物学报, columnName=研究报告, runingTitle=null, highlight=null, articleAbstract=
木质纤维素的高效转化是生物精炼实现经济可行性的核心,其中木糖的充分利用是提升转化效率的关键。库德里阿兹威氏毕赤酵母(Pichia kudriavzevii)凭借其出色的耐酸、耐高温及强抗逆性,在工业生物制造领域展现出巨大潜力,但其天然木糖利用能力的缺陷严重限制了其在生物质转化中的应用。 【目的】 解析P. kudriavzevii E1木糖代谢沉默的分子生物学机制,为木质纤维素原料的生物利用提供理论支持。 【方法】 评估P. kudriavzevii E1菌株的木糖利用能力,分析其基因组中木糖代谢相关基因,确定木糖代谢限制因素;采用比较转录组学方法分析木糖转运蛋白导入前后木糖代谢基因的表达差异;通过异源表达高效木糖代谢相关基因验证木糖代谢的抑制性限速环节。 【结果】 生物信息学分析结合异源表达转运蛋白恢复P. kudriavzevii E1木糖摄取能力的试验证实,缺乏对木糖具有亲和力的跨膜转运蛋白是该菌株无法摄取木糖的关键限制因素。P. kudriavzevii E1基因组中天然存在编码木糖氧化还原代谢途径核心酶的3个基因PkXYL1、PkXYL2和PkXKS1。体外相对酶活性测定表明,P. kudriavzevii E1的内源木糖还原酶PkXR较低的相对活性是底物积累和木糖代谢缓慢的关键原因。针对恢复木糖利用能力的菌株P. kudriavzevii E1-Xpg4562的比较转录组学分析表明,木糖环境中酵母细胞的代谢应答发生深刻重编程,细胞优先激活核糖体生物发生和氧化磷酸化,但因TAL1显著下调且磷酸戊糖途径(pentose phosphate pathway, PPP)相关基因转录响应不足,导致木糖环境中细胞PPP通量低下,碳流无法有效回流至糖酵解,阻碍了木糖下游代谢途径的畅通。对转录组分析涉及的关键木糖代谢基因进行表达水平检测,进一步表明关键下游基因的转录调控不协同阻碍了木糖的代谢效率。 【结论】 P. kudriavzevii E1的木糖代谢受阻是底物转运缺失、内源酶催化活性低下和转录调控不协同共同作用的结果。本研究为非模式酵母木糖代谢途径的精准改造提供了重要理论依据。
, authors=袁子童
1, 王一
2, 张日鹏
2, 曹利民
1, 于波
2, 王丽敏
2, authorsList=袁子童, 王一, 张日鹏, 曹利民, 于波, 王丽敏, authorCompany=null, correspAuthors=曹利民, 王丽敏, authorNote=
作者贡献声明
袁子童:开展实验、数据收集与处理、论文撰写;王一:开展实验、数据收集与处理;张日鹏:数据收集与处理、论文撰写;曹利民:论文修改;于波:论文修改;王丽敏:研究构思、设计、论文修改。
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Xylose consumption and growth profiles of Pichia kudriavzevii E1 heterologously expressing xylose transporters. A: Residual xylose concentration in the culture medium (YNBX0.5) of the indicated yeast strains; B: Biomass (OD600) of the indicated strains cultured in YNBX0.5 medium., figureFileSmall=UyvnovEoqrTniEjOcq3Imw==, figureFileBig=7J7fIKyb+B6/8XleF0Oo3w==, tableContent=null), ArticleFig(id=1297571081951400580, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=CN, label=图1, caption=
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Differentially expressed genes and RT-qPCR validation of key genes. A: Volcano plot of differentially expressed genes; B: Relative transcriptional levels of key genes in xylose-containing medium., figureFileSmall=BTT8k3ny83FGrDy4DSNBcA==, figureFileBig=Ap0pdyV+y//ximu13efCyw==, tableContent=null), ArticleFig(id=1297571082240807558, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=CN, label=图2, caption=
转录组差异表达基因与关键差异基因转录水平验证, figureFileSmall=BTT8k3ny83FGrDy4DSNBcA==, figureFileBig=Ap0pdyV+y//ximu13efCyw==, tableContent=null), ArticleFig(id=1297571082307916423, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=EN, label=Figure 3, caption=
Enrichment analysis of DEGs. A: GO enrichment analysis of differentially expressed genes; B: KEGG enrichment analysis of differentially expressed genes., figureFileSmall=pVPIffnmtiAJjk/VcDsS3Q==, figureFileBig=gIe7IuCnShsq5v/e3ZaT/g==, tableContent=null), ArticleFig(id=1297571082362442376, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=CN, label=图3, caption=
差异表达基因富集分析, figureFileSmall=pVPIffnmtiAJjk/VcDsS3Q==, figureFileBig=gIe7IuCnShsq5v/e3ZaT/g==, tableContent=null), ArticleFig(id=1297571082421162633, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=EN, label=Figure 4, caption=
Effects of heterologous expression of Scheffersomyces stipitis xylose metabolic genes on the physiological characteristics of Pichia kudriavzevii E1. A: Comparison of the initial reaction rates (first 30 s) of XR, XDH, and XK using two different cofactors in P. kudriavzevii E1 and E1-Xpg4562; B: Residual xylose concentration in the culture medium (YNBX0.5) for strains following the integration of heterologous metabolic modules; C: Biomass (OD600) of strains integrating heterologous metabolic modules SsXYL1/2 and SsXKS1 cultured in YNBX0.5 medium., figureFileSmall=mhLZygOJEG9nzvArL49wAg==, figureFileBig=Eebr0caxeyRvqfV1PlNu9w==, tableContent=null), ArticleFig(id=1297571082505048714, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=CN, label=图4, caption=
异源表达来自 Scheffersomyces stipitis 木糖代谢途径基因对 Pichia kudriavzevii E1生理特性的影响, figureFileSmall=mhLZygOJEG9nzvArL49wAg==, figureFileBig=Eebr0caxeyRvqfV1PlNu9w==, tableContent=null), ArticleFig(id=1297571082559574667, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=EN, label=Table 1, caption=
Strains and plasmids in this work
, figureFileSmall=null, figureFileBig=null, tableContent=
| Strains and plasmids | Characteristics | Sources |
|---|
| Strains | | |
| E. coli | | |
| Trelief 5α | fhuA2 Δ(argF-lacZ)U169phoAglnV44 Φ80 Δ(lacZ)M15, gyrA96, recA1, relA1, endA1, thi-1, hsdR17 | Tsingke Biotechnology Co., Ltd. |
| P. kudriavzevii | | |
| E1-01 | E1, ΔURA3 | [19] |
| E1-03 | E1-01, ΔPDC, ldh | This study |
| E1-05 | E1-03, Δdld, BtLDHA | This study |
| E1-07 | E1-05, Δdld upstream, PTDH3 | This study |
| E1-X01 | E1-03, Δdld, PTDH3-xylT-TTEF1 | This study |
| E1-X04 | E1-05, ΔPkXYL1 upstream, PTDH3-XUT5-IGG6 | This study |
| E1-X05 | E1-01, ΔPkXYL1 upstream, PTDH3-SsXYL1-IGG6-SsXYL2-TTEF1 | This study |
| E1-X06 | E1-07, ΔPkXYL1 upstream, PGDP-PkXUT1-IGG6 | This study |
| E1-X07 | E1-01, ΔADH1, PTDH3-SsXKS1-TTEF1 | This study |
| E1-X08 | E1-01, ΔURA3 upstream, PTDH3-Mgt05196N360F -TTEF1 | This study |
| E1-X09 | E1-01, ΔURA3 upstream, PTDH3-RGT2-TTEF1 | This study |
| E1-X10 | E1-01, ΔPkXYL1 upstream, PTDH3-XUT6-IGG6 | This study |
| E1-Xpg1140 | E1-01, ΔURA3 upstream, PTDH3-Xpg1140-TTEF1 | This study |
| E1-Xpg1151 | E1-01, ΔURA3 upstream, PTDH3-Xpg1151-TTEF1 | This study |
| E1-Xpg2942 | E1-01, ΔURA3 upstream, PTDH3-Xpg2942-TTEF1 | This study |
| E1-Xpg3423 | E1-01, ΔURA3 upstream, PTDH3-Xpg3423-TTEF1 | This study |
| E1-Xpg4178 | E1-01, ΔURA3 upstream, PTDH3-Xpg4178-TTEF1 | This study |
| E1-Xpg4562 | E1-01, ΔURA3 upstream, PTDH3-Xpg4562-TTEF1 | This study |
| E1-Xpg4764 | E1-01, ΔURA3 upstream, PTDH3-Xpg4764-TTEF1 | This study |
| E1-Xpg1758 | E1-01, ΔEG17, PTDH3-Xpg1758-TTEF1 | This study |
| E1-Xpg1807 | E1-01, ΔEG17, PTDH3-Xpg1807-TTEF1 | This study |
| E1-Xpg3179 | E1-01, ΔEG17, PTDH3-Xpg3179-TTEF1 | This study |
| E1-X13 | E1-Xpg4562, ΔEG4, PTDH3-SsXYL1-TTEF1 | This study |
| E1-X14 | E1-Xpg4562, ΔEG4, PTDH3-SsXYL2-TTEF1 | This study |
| E1-X15 | E1-Xpg4562, ΔEG4, PTDH3-SsXKS1-TTEF1 | This study |
| Plasmids | | |
| pCas-dldN20 | Ampr; Cas9; specific sgRNA targeting dld | This study |
| pCas-PkXYL1upN20 | Ampr; Cas9; specific sgRNA targeting PkXYL1 | This study |
| pCas-URA3upN20 | Ampr; Cas9; specific sgRNA targeting URA3upstream | This study |
| pCas-ADH1N20 | Ampr; Cas9; specific sgRNA targeting ADH1 | This study |
| pCas-EG17N20 | Ampr; Cas9; specific sgRNA targeting neutral site EG17 | This study |
| pCas-EG4N20 | Ampr; Cas9; specific sgRNA targeting neutral site EG4 | This study |
), ArticleFig(id=1297571082660237964, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=CN, label=表1, caption=
本研究涉及的菌株和质粒
, figureFileSmall=null, figureFileBig=null, tableContent=
| Strains and plasmids | Characteristics | Sources |
|---|
| Strains | | |
| E. coli | | |
| Trelief 5α | fhuA2 Δ(argF-lacZ)U169phoAglnV44 Φ80 Δ(lacZ)M15, gyrA96, recA1, relA1, endA1, thi-1, hsdR17 | Tsingke Biotechnology Co., Ltd. |
| P. kudriavzevii | | |
| E1-01 | E1, ΔURA3 | [19] |
| E1-03 | E1-01, ΔPDC, ldh | This study |
| E1-05 | E1-03, Δdld, BtLDHA | This study |
| E1-07 | E1-05, Δdld upstream, PTDH3 | This study |
| E1-X01 | E1-03, Δdld, PTDH3-xylT-TTEF1 | This study |
| E1-X04 | E1-05, ΔPkXYL1 upstream, PTDH3-XUT5-IGG6 | This study |
| E1-X05 | E1-01, ΔPkXYL1 upstream, PTDH3-SsXYL1-IGG6-SsXYL2-TTEF1 | This study |
| E1-X06 | E1-07, ΔPkXYL1 upstream, PGDP-PkXUT1-IGG6 | This study |
| E1-X07 | E1-01, ΔADH1, PTDH3-SsXKS1-TTEF1 | This study |
| E1-X08 | E1-01, ΔURA3 upstream, PTDH3-Mgt05196N360F -TTEF1 | This study |
| E1-X09 | E1-01, ΔURA3 upstream, PTDH3-RGT2-TTEF1 | This study |
| E1-X10 | E1-01, ΔPkXYL1 upstream, PTDH3-XUT6-IGG6 | This study |
| E1-Xpg1140 | E1-01, ΔURA3 upstream, PTDH3-Xpg1140-TTEF1 | This study |
| E1-Xpg1151 | E1-01, ΔURA3 upstream, PTDH3-Xpg1151-TTEF1 | This study |
| E1-Xpg2942 | E1-01, ΔURA3 upstream, PTDH3-Xpg2942-TTEF1 | This study |
| E1-Xpg3423 | E1-01, ΔURA3 upstream, PTDH3-Xpg3423-TTEF1 | This study |
| E1-Xpg4178 | E1-01, ΔURA3 upstream, PTDH3-Xpg4178-TTEF1 | This study |
| E1-Xpg4562 | E1-01, ΔURA3 upstream, PTDH3-Xpg4562-TTEF1 | This study |
| E1-Xpg4764 | E1-01, ΔURA3 upstream, PTDH3-Xpg4764-TTEF1 | This study |
| E1-Xpg1758 | E1-01, ΔEG17, PTDH3-Xpg1758-TTEF1 | This study |
| E1-Xpg1807 | E1-01, ΔEG17, PTDH3-Xpg1807-TTEF1 | This study |
| E1-Xpg3179 | E1-01, ΔEG17, PTDH3-Xpg3179-TTEF1 | This study |
| E1-X13 | E1-Xpg4562, ΔEG4, PTDH3-SsXYL1-TTEF1 | This study |
| E1-X14 | E1-Xpg4562, ΔEG4, PTDH3-SsXYL2-TTEF1 | This study |
| E1-X15 | E1-Xpg4562, ΔEG4, PTDH3-SsXKS1-TTEF1 | This study |
| Plasmids | | |
| pCas-dldN20 | Ampr; Cas9; specific sgRNA targeting dld | This study |
| pCas-PkXYL1upN20 | Ampr; Cas9; specific sgRNA targeting PkXYL1 | This study |
| pCas-URA3upN20 | Ampr; Cas9; specific sgRNA targeting URA3upstream | This study |
| pCas-ADH1N20 | Ampr; Cas9; specific sgRNA targeting ADH1 | This study |
| pCas-EG17N20 | Ampr; Cas9; specific sgRNA targeting neutral site EG17 | This study |
| pCas-EG4N20 | Ampr; Cas9; specific sgRNA targeting neutral site EG4 | This study |
), ArticleFig(id=1297571082727346829, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=EN, label=Table 2, caption=
Primers used in this study
, figureFileSmall=null, figureFileBig=null, tableContent=
| Primer names | Primer sequences (5′→3′) |
|---|
| XUT1-F | ATGCACGGAGGTTCAGACGGTAATGACG |
| XUT1-R | GGCCGCTGATGCTGATGCTGACAGTGCTTAA |
| XUT5-F | ATGACGGAAAGAAGCATTGGACC |
| XUT5-R | TTACTTCTTTGTATTAACAACAAAACCTTG |
| XUT6-F | ATGTCCAGTGTTGAAAAAAGTGC |
| XUT6-R | TTAGCTGATGTTTTCGACATGCTC |
| PTDH3-Mgt05196N360F -F | CACAAACAAACACAATTACAAAAAATGTCGTCGAATGAGCAGGTTACTCC |
| Ter-Mgt05196N360F -R | AAGAAGAAACTATCAGCTCACTCAAACCCTTTCGGCTTCGTCCACCTCAG |
| PTDH3-SsXYL1-F | CACACAAACAAACACAATTACAAAAAATGCCCTCCATTAAGTTGAAC |
| Ter-SsXYL1-R | AGAAGAAACTATCAGCTCACTTAAACGAAGATTGGAATCTTATCCC |
| PTDH3-SsXYL2-F | CACAAACAAACACAATTACAAAAAATGACTGCTAACCCATCTTTGGTCTTG |
| Ter-SsXYL2-R | AGAAGAAACTATCAGCTCACTCATTCTGGACCATCAATCAAACAC |
| PTDH3-SsXKS1-F | CACACAAACAAACACAATTACAAAAAATGACTACTACTCCATTTGATG |
| Ter-SsXKS1-R | GGTAAAAGAAGAAACTATCAGCTCACGTGCTTCAATTCAGATTCCATCTTAG |
| Xpg1140-F | CACAAACAAACACAATTACAAAAAATGCCTTCAGATAAGCATTGGCACTACG |
| Xpg1140-R | AAGAAGAAACTATCAGCTCACTTAAGCATTTTCATAGCCTTGAAC |
| Xpg1151-F | CACAAACAAACACAATTACAAAAAATGCCACAAAATACACCCACTGC |
| Xpg1151-R | AGAAGAAACTATCAGCTCACTTATTCAAGCTTTTCTTGAGG |
| Xpg2942-F | CACAAACAAACACAATTACAAAAAATGCTCAAGTTTACAAGAAGACTAGTGG |
| Xpg2942-R | AAGAAGAAACTATCAGCTCACTTAAGTATTTGTCAATTGAAC |
| Xpg3423-F | CACAAACAAACACAATTACAAAAAATGCCTATCACAGTTTTCGGATC |
| Xpg3423-R | AAGAAGAAACTATCAGCTCACTTAAAGTAACCAACCACGCTTTTCAAC |
| Xpg4178-F | CACAAACAAACACAATTACAAAAAATGTTTAAACAAACACTTAGG |
| Xpg4562-R | AAGAAGAAACTATCAGCTCACTTATTTTTTCATATTTTGCATG |
| Xpg4764-F | CACAAACAAACACAATTACAAAAAATGGGTGTTCCAGCACTTTTCCG |
| Xpg4764-R | GAAGAAACTATCAGCTCACTTAATATCTGTTACCGTTGTTGTAG |
| Xpg1758-F | CACACAAACAAACACAATTACAAAAAATGAGCGTTCAAATTGATCAAAAG |
| Xpg1758-R | GTAAAAGAAGAAACTATCAGCTCACTCAATTAATGTGAGCAACTTCTGG |
| Xpg1807-F | CACACAAACAAACACAATTACAAAAAATGTTAGACTTATTAAATAAAAAGG |
| Xpg1807-R | GGTAAAAGAAGAAACTATCAGCTCACTCAAAATTCAGAAGAATTGTTAATTTC |
| Xpg3179-F | CACACAAACAAACACAATTACAAAAAATGTCTTCAAGTTCTATTTCAG |
| Xpg3179-R | GTAAAAGAAGAAACTATCAGCTCACTTAAACGTTTTGATCGTTGACTAG |
| RGT2-F | CACAAACAAACACAATTACAAAAAATGGGTTTAGAAGACAGTGCTCTC |
| RGT2-R | GTAAAAGAAGAAACTATCAGCTCACCTATACAGAAGCTTCTTCAACTTCAG |
), ArticleFig(id=1297571082807038606, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=CN, label=表2, caption=
本研究所用引物
, figureFileSmall=null, figureFileBig=null, tableContent=
| Primer names | Primer sequences (5′→3′) |
|---|
| XUT1-F | ATGCACGGAGGTTCAGACGGTAATGACG |
| XUT1-R | GGCCGCTGATGCTGATGCTGACAGTGCTTAA |
| XUT5-F | ATGACGGAAAGAAGCATTGGACC |
| XUT5-R | TTACTTCTTTGTATTAACAACAAAACCTTG |
| XUT6-F | ATGTCCAGTGTTGAAAAAAGTGC |
| XUT6-R | TTAGCTGATGTTTTCGACATGCTC |
| PTDH3-Mgt05196N360F -F | CACAAACAAACACAATTACAAAAAATGTCGTCGAATGAGCAGGTTACTCC |
| Ter-Mgt05196N360F -R | AAGAAGAAACTATCAGCTCACTCAAACCCTTTCGGCTTCGTCCACCTCAG |
| PTDH3-SsXYL1-F | CACACAAACAAACACAATTACAAAAAATGCCCTCCATTAAGTTGAAC |
| Ter-SsXYL1-R | AGAAGAAACTATCAGCTCACTTAAACGAAGATTGGAATCTTATCCC |
| PTDH3-SsXYL2-F | CACAAACAAACACAATTACAAAAAATGACTGCTAACCCATCTTTGGTCTTG |
| Ter-SsXYL2-R | AGAAGAAACTATCAGCTCACTCATTCTGGACCATCAATCAAACAC |
| PTDH3-SsXKS1-F | CACACAAACAAACACAATTACAAAAAATGACTACTACTCCATTTGATG |
| Ter-SsXKS1-R | GGTAAAAGAAGAAACTATCAGCTCACGTGCTTCAATTCAGATTCCATCTTAG |
| Xpg1140-F | CACAAACAAACACAATTACAAAAAATGCCTTCAGATAAGCATTGGCACTACG |
| Xpg1140-R | AAGAAGAAACTATCAGCTCACTTAAGCATTTTCATAGCCTTGAAC |
| Xpg1151-F | CACAAACAAACACAATTACAAAAAATGCCACAAAATACACCCACTGC |
| Xpg1151-R | AGAAGAAACTATCAGCTCACTTATTCAAGCTTTTCTTGAGG |
| Xpg2942-F | CACAAACAAACACAATTACAAAAAATGCTCAAGTTTACAAGAAGACTAGTGG |
| Xpg2942-R | AAGAAGAAACTATCAGCTCACTTAAGTATTTGTCAATTGAAC |
| Xpg3423-F | CACAAACAAACACAATTACAAAAAATGCCTATCACAGTTTTCGGATC |
| Xpg3423-R | AAGAAGAAACTATCAGCTCACTTAAAGTAACCAACCACGCTTTTCAAC |
| Xpg4178-F | CACAAACAAACACAATTACAAAAAATGTTTAAACAAACACTTAGG |
| Xpg4562-R | AAGAAGAAACTATCAGCTCACTTATTTTTTCATATTTTGCATG |
| Xpg4764-F | CACAAACAAACACAATTACAAAAAATGGGTGTTCCAGCACTTTTCCG |
| Xpg4764-R | GAAGAAACTATCAGCTCACTTAATATCTGTTACCGTTGTTGTAG |
| Xpg1758-F | CACACAAACAAACACAATTACAAAAAATGAGCGTTCAAATTGATCAAAAG |
| Xpg1758-R | GTAAAAGAAGAAACTATCAGCTCACTCAATTAATGTGAGCAACTTCTGG |
| Xpg1807-F | CACACAAACAAACACAATTACAAAAAATGTTAGACTTATTAAATAAAAAGG |
| Xpg1807-R | GGTAAAAGAAGAAACTATCAGCTCACTCAAAATTCAGAAGAATTGTTAATTTC |
| Xpg3179-F | CACACAAACAAACACAATTACAAAAAATGTCTTCAAGTTCTATTTCAG |
| Xpg3179-R | GTAAAAGAAGAAACTATCAGCTCACTTAAACGTTTTGATCGTTGACTAG |
| RGT2-F | CACAAACAAACACAATTACAAAAAATGGGTTTAGAAGACAGTGCTCTC |
| RGT2-R | GTAAAAGAAGAAACTATCAGCTCACCTATACAGAAGCTTCTTCAACTTCAG |
), ArticleFig(id=1297571082890924687, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=EN, label=Table 3, caption=
Key enzyme activities in the XR/XDH pathway of Pichiakudriavzevii E1
, figureFileSmall=null, figureFileBig=null, tableContent=
| Enzyme | Cofactor | Relative activity/U-1 | Standard deviation |
|---|
| PkXR | NADPH | 7.83×10-4 | 4.88×10-5 |
| NADH | 0 | 0 |
| PkXDH | NADP+ | 7.92×10-4 | 9.06×10-5 |
| NAD+ | 6.43×10-3 | 9.58×10-4 |
| PkXK | NADPH | 7.28×10-4 | 2.14×10-5 |
| NADH | 1.56×10-3 | 6.07×10-4 |
), ArticleFig(id=1297571082962227856, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=CN, label=表3, caption=
Pichiakudriavzevii E1 XR-XDH途径关键酶相对活性
, figureFileSmall=null, figureFileBig=null, tableContent=
| Enzyme | Cofactor | Relative activity/U-1 | Standard deviation |
|---|
| PkXR | NADPH | 7.83×10-4 | 4.88×10-5 |
| NADH | 0 | 0 |
| PkXDH | NADP+ | 7.92×10-4 | 9.06×10-5 |
| NAD+ | 6.43×10-3 | 9.58×10-4 |
| PkXK | NADPH | 7.28×10-4 | 2.14×10-5 |
| NADH | 1.56×10-3 | 6.07×10-4 |
), ArticleFig(id=1297571083041919633, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=EN, label=Table 4, caption=
Read-mapping statistics for the six libraries
, figureFileSmall=null, figureFileBig=null, tableContent=
| Sample name | YNBX10-1 | YNBX10-2 | YNBX10-3 | YNBD10-1 | YNBD10-2 | YNBD10-3 |
|---|
| Total reads | 43 875 248 | 47 610 284 | 47 610 284 | 43 393 264 | 46 227 090 | 43 471 870 |
| Total mapped | 42 885 172 (97.74%) | 46 528 186 (97.73%) | 44 312 658 (97.93%) | 42 745 235 (98.51%) | 45 265 452 (97.92%) | 42 836 789 (98.54%) |
| Uniquely mapped | 42 117 293 (95.99%) | 45 714 092 (96.02%) | 43 671 882 (96.51%) | 41 578 857 (95.82%) | 44 217 482 (95.65%) | 41 604 691 (95.7%) |
), ArticleFig(id=1297571083117417106, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1297571073889948230, language=CN, label=表4, caption=
六个文库的读段比对统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| Sample name | YNBX10-1 | YNBX10-2 | YNBX10-3 | YNBD10-1 | YNBD10-2 | YNBD10-3 |
|---|
| Total reads | 43 875 248 | 47 610 284 | 47 610 284 | 43 393 264 | 46 227 090 | 43 471 870 |
| Total mapped | 42 885 172 (97.74%) | 46 528 186 (97.73%) | 44 312 658 (97.93%) | 42 745 235 (98.51%) | 45 265 452 (97.92%) | 42 836 789 (98.54%) |
| Uniquely mapped | 42 117 293 (95.99%) | 45 714 092 (96.02%) | 43 671 882 (96.51%) | 41 578 857 (95.82%) | 44 217 482 (95.65%) | 41 604 691 (95.7%) |
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