globalchange  > 气候变化与战略
DOI: 10.1073/pnas.1707072114
论文题名:
Acidophilic green algal genome provides insights into adaptation to an acidic environment
作者: Hirooka S.; Hirose Y.; Kanesaki Y.; Higuchi S.; Fujiwara T.; Onuma R.; Era A.; Ohbayashi R.; Uzuka A.; Nozaki H.; Yoshikawa H.; Miyagishima S.-Y.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2017
卷: 114, 期:39
起始页码: E8304
结束页码: E8313
语种: 英语
英文关键词: Acidic environment ; Acidophilic alga ; Comparative genomics ; Comparative transcriptomics ; Environmental adaptation
Scopus关键词: acetate kinase ; acetate kinase 1 ; acetate kinase 2 ; acetic acid ; alcohol dehydrogenase ; amidinotransferase ; arsenic ; chaperonin 60 ; DNA 18S ; formate dehydrogenase ; formic acid ; heat shock protein ; heat shock protein 20 ; heat shock protein 70 ; hydrogenase ; isocitrate lyase ; lactate dehydrogenase ; lactic acid ; malate synthase ; phosphagen kinase ; phosphate acetyltransferase ; phosphate acetyltransferase 1 ; phosphate acetyltransferase 2 ; protein kinase ; proton transporting adenosine triphosphatase ; pyruvate decarboxylase ; pyruvate decarboxylase 3 ; pyruvate synthase ; ribosome DNA ; transcriptome ; unclassified drug ; plant protein ; algal growth ; Article ; biotransformation ; cell membrane ; cell size ; cell structure ; Chlamydomonas ; Chlamydomonas eustigma ; Chlamydomonas reinhardtii ; Chlorella ; Chlorella variabilis ; chloroplast ; Coccomyxa subellipsoidea ; controlled study ; detoxification ; DNA base composition ; DNA sequence ; energy ; evolutionary adaptation ; fermentation ; gas chromatography ; gene expression ; genome ; genome size ; habitat ; horizontal gene transfer ; nonhuman ; phylogenetic tree ; priority journal ; rice bean ; RNA sequence ; segmental duplication ; taxonomy ; Volvox carteri ; adaptation ; genetics ; metabolism ; pH ; plant genome ; Adaptation, Physiological ; Chlamydomonas reinhardtii ; Genome, Plant ; Hydrogen-Ion Concentration ; Plant Proteins
英文摘要: Some microalgae are adapted to extremely acidic environments in which toxic metals are present at high levels. However, little is known about how acidophilic algae evolved from their respective neutrophilic ancestors by adapting to particular acidic environments. To gain insights into this issue, we determined the draft genome sequence of the acidophilic green alga Chlamydomonas eustigma and performed comparative genome and transcriptome analyses between C. eustigma and its neutrophilic relative Chlamydomonas reinhardtii. The results revealed the following features in C. eustigma that probably contributed to the adaptation to an acidic environment. Genes encoding heat-shock proteins and plasma membrane H+-ATPase are highly expressed in C. eustigma. This species has also lost fermentation pathways that acidify the cytosol and has acquired an energy shuttle and buffering system and arsenic detoxification genes through horizontal gene transfer. Moreover, the arsenic detoxification genes have been multiplied in the genome. These features have also been found in other acidophilic green and red algae, suggesting the existence of common mechanisms in the adaptation to acidic environments. © 2017, National Academy of Sciences. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163791
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作者单位: Hirooka, S., Department of Cell Genetics, National Institute of Genetics, Shizuoka, 411-8540, Japan, Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama, 332-0012, Japan; Hirose, Y., Department of Environmental and Life Sciences, Toyohashi University of Technology, Aichi, 441-8580, Japan; Kanesaki, Y., Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama, 332-0012, Japan, NODAI Genome Research Center, Tokyo University of Agriculture, Tokyo, 156-8502, Japan; Higuchi, S., Research Group for Aquatic Plants Restoration in Lake Nojiri, Nojiriko Museum, Nagano, 389-1303, Japan; Fujiwara, T., Department of Cell Genetics, National Institute of Genetics, Shizuoka, 411-8540, Japan, Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama, 332-0012, Japan, Department of Genetics, Graduate University for Advanced Studies, Shizuoka, 411-8540, Japan; Onuma, R., Department of Cell Genetics, National Institute of Genetics, Shizuoka, 411-8540, Japan; Era, A., Department of Cell Genetics, National Institute of Genetics, Shizuoka, 411-8540, Japan, Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama, 332-0012, Japan; Ohbayashi, R., Department of Cell Genetics, National Institute of Genetics, Shizuoka, 411-8540, Japan; Uzuka, A., Department of Cell Genetics, National Institute of Genetics, Shizuoka, 411-8540, Japan, Department of Genetics, Graduate University for Advanced Studies, Shizuoka, 411-8540, Japan; Nozaki, H., Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo, 113-0033, Japan; Yoshikawa, H., Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama, 332-0012, Japan, Department of Bioscience, Tokyo University of Agriculture, Tokyo, 156-8502, Japan; Miyagishima, S.-Y., Department of Cell Genetics, National Institute of Genetics, Shizuoka, 411-8540, Japan, Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama, 332-0012, Japan, Department of Genetics, Graduate University for Advanced Studies, Shizuoka, 411-8540, Japan

Recommended Citation:
Hirooka S.,Hirose Y.,Kanesaki Y.,et al. Acidophilic green algal genome provides insights into adaptation to an acidic environment[J]. Proceedings of the National Academy of Sciences of the United States of America,2017-01-01,114(39)
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