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Diacylglycerol acyltransferase type 2 cDNA from the oleaginous microalganeochloris oleoabundans: Cloning and functional characterization
Chungjatupornchai W. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Diacylglycerol acyltransferase type 2 cDNA from the oleaginous microalganeochloris oleoabundans: Cloning and functional characterization
ผู้แต่ง / หัวหน้าโครงการ (EN): Chungjatupornchai W.
บทคัดย่อ (EN): Currently, biodiesel production from microalgae is technically, but not yet economically, feasible. Increasing microalgal triacylglycerol (TAG) content via genetic engineering could be a potential approach to improve the efficiency of biodiesel production. In all organisms studied so far, diacylglycerol acyltransferase (DGAT) is the primary enzyme of TAG biosynthesis. In this study, we cloned the cDNA encoding DGAT type 2 (NeoDGAT2) from the oleaginous microalgaNeochloris oleoabundans. The open reading frame ofNeoDGAT2cDNA was 978 bp encoding a protein of 325 amino acids. AlthoughN. oleoabundanshasbeenclassifiedin the class Chlorophyceae, NeoDGAT2 was closely related to Treboxiophycean DGAT2 as it shared 80 % amino acid identity with CvDGAT2-2 of Chlorella variabilis, but distantly related to Chlorophycean DGAT2 as it shared only 34 % identity with CrDGAT2A (DGTT4) of Chlamydomonas reinhardtii. As suggested by hydropathy analysis, NeoDGAT2 might contain 4 to 5 transmembrane domains. We tested whetherNeoDGAT2cDNA encoded a protein with DGAT activity by functional complementation assay in yeast Saccharomyces cerevisiaemutant H1246. NeoDGAT2 was able to compensate the endogenous DGAT2 activity of mutant H1246 and restore the lipid body formation and TAG synthesis. The successful cloning of cDNA encoding a protein with DGAT activity provides a candidate for genetic manipulation in microalgae to increase TAG content for biodiesel production. © Springer Science+Business Media Dordrecht 2014.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-84935011855&doi=10.1007%2fs10811-014-0448-6&partnerID=40&md5=ae1ee3248af7ef623c4fae4af6c73ab0
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Saccharomyces
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Diacylglycerol acyltransferase type 2 cDNA from the oleaginous microalganeochloris oleoabundans: Cloning and functional characterization
Chungjatupornchai W.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
Diacylglycerol acyltransferase type 2 cDNA from the oleaginous microalga Neochloris oleoabundans: cloning and functional characterization Gene expression and promoter characterization of heat-shock protein 90B gene (HSP90B) in the model unicellular green alga Chlamydomonas reinhardtii (ภาษาอังกฤษ) Functional characterization of a novel C-type lectin gene in the black tiger shrimp, Penaeus monodon Type of Malware Molecular cloning and characterization of Fasciola gigantica thioredoxin-glutathione reductase Molecular cloning and characterization of a Toll receptor gene from Macrobrachium rosenbergii Cloning, expression, purification and characterization of a thermo- and surfactant-stable protease from Thermomonospora curvata Molecular and functional characterization of vacuolar-ATPase from the American dog tick Dermacentor variabilis Molecular evolution and functional characterization of a bifunctional decarboxylase involved in lycopodium alkaloid biosynthesis Cloning and Characterization of Specific Molecular Markers of Rubber Tree Trunk Phloem Necrosis
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