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Research progress in the synthesis and regulation of pullulan in Aureobasidium spp.
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Lan XU1, #, Yujie WANG1, #, Zhenming CHI1, 2, Guanglei LIU1, 2, *
Acta Microbiologica Sinica | 2024, 64(10) : 3633 - 3646
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Acta Microbiologica Sinica | 2024, 64(10): 3633-3646
• Reviews •
Research progress in the synthesis and regulation of pullulan in Aureobasidium spp.
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Lan XU1, #, Yujie WANG1, #, Zhenming CHI1, 2, Guanglei LIU1, 2, *
Affiliations
  • 1 College of Marine Life Sciences, Ocean University of China, Qingdao 266003, Shandong, China
  • 2 MOE Key Laboratory of Evolution and Marine Biodiversity, Qingdao 266003, Shandong, China
Published: 2024-05-23 doi: 10.13343/j.cnki.wsxb.20240218
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Pullulan is an exopolysaccharide produced by Aureobasidium spp. Despite its widespread biotechnological applications, the mechanisms underlying the biosynthesis and regulation of pullulan remain to be studied. In recent years, researchers have employed molecular biological techniques to elucidate the molecular mechanisms of pullulan synthesis and regulation. The transmembrane protein AmAgs2 is identified as a key enzyme for the synthesis of pullulan, and the cAMP-protein kinase A (cAMP-PKA), target of rapamycin 1 (TORC1), high osmotic glycerol 1 (HOG1), and sucrose nonfermentable 1 (Snf1) signaling pathways are involved in the regulation of pullulan synthesis. We reviewed the research progress in this field, aiming to give insights into the research on the synthesis and regulation mechanisms of fungal extracellular polysaccharide and provide theoretical support for building cell factories with high yields of pullulan.

Aureobasidium spp.  /  pullulan  /  synthetic pathway  /  regulatory mechanism  /  signaling pathway
Lan XU, Yujie WANG, Zhenming CHI, Guanglei LIU. Research progress in the synthesis and regulation of pullulan in Aureobasidium spp.[J]. Acta Microbiologica Sinica, 2024 , 64 (10) : 3633 -3646 . DOI: 10.13343/j.cnki.wsxb.20240218
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  • National Key Research and Development Program of China(2021YFC2103200)
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Year 2024 volume 64 Issue 10
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Article Info
doi: 10.13343/j.cnki.wsxb.20240218
  • Receive Date：2024-04-05
  • Online Date：2026-03-21
  • Published：2024-05-23
Article Data
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History
  • Received：2024-04-05
  • Accepted：2024-05-20
Funding
National Key Research and Development Program of China(2021YFC2103200)
Affiliations
    1 College of Marine Life Sciences, Ocean University of China, Qingdao 266003, Shandong, China
    2 MOE Key Laboratory of Evolution and Marine Biodiversity, Qingdao 266003, Shandong, China

Corresponding:

*LIU Guanglei, E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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