温泉红藻纲

求闻百科,共笔求闻

温泉红藻纲
Cyanidium sp.
科学分类 编辑
门: 红藻门 Rhodophyta
亚门: 小青藻亚门 Cyanidiophytina
纲: 温泉红藻纲 Cyanidiophyceae

温泉红藻(Cyanidiophyceae,简称Cyanidia)是一群生活在高温高酸环境中的单细胞红藻[1],主要分布于世界各地火山活动仍然活跃,并具有硫酸成分高之温泉水体之地区,如美国黄石国家公园、意大利火山区、新西兰火山区、印尼火山区及日本火山区[2]。根据目前的分类系统,温泉红藻目前主要有三属六种(Cyanidioschyzon merolaeCyanidium caldariumGaldieria sulphurariaGaldieria maximaGaldieria partitaGaldieria daedala)[2]。其中,Cyanidioschyzon merolae细胞核基因组已被解密[3],也是目前唯一一种真核生物之基因组达到100%的解密[4]。另外,其粒线体叶绿体之基因组也完成解密。因此,对于温泉红藻的研究中,Cyanidioschyzon merolae可说是最佳的模式物种。部分藻种能栖息在硫磺口喷气处潮湿之土壤表层,另有些藻种能够存活于具有地热酸性潮湿之岩石表面下,靠着穿透石缝微弱之光线进行光合作用[5]

In older texts it has been known as "Cyanidales". It was granted phylum status in the Saunders and Hommersand 2004 classification (as "Cyanidophyta"), but demoted to subphylum in the Yoon et al. classification of 2006.[6]

参考文献

  1. Joseph Seckbach; David J. Chapman. Red Algae in the Genomic Age. Springer. 2010-08-30: 250–. ISBN 978-90-481-3794-7. 
  2. 2.0 2.1 Toplin et al. (2008) Biogeographic and phylogentic diversity of thermoacidophilic Cyanidiales in YNP Japan and New Zealand. Applied and Environmental Microbiology 74: 2822–2833
  3. Matsuzaki et al. (2004) Genome sequence of the ultrasmall unicellular red alga Cyanidioschyzon merolae 10D. Nature 428: 653-657.
  4. Nozaki et al. (2007) A 100%-complete sequence reveals unusually simple genomic features in the hot-spring red alga Cyanidioschyzon merolae. BMC Biology 5:28.
  5. Ciniglia et al. (2004) Hidden biodiversity of the extremophilic Cynidiales red algae. Molecular Ecology 13: 1827-1838.
  6. Juliet Brodie; Jane Lewis (Ph. D.). Unravelling the algae: the past, present, and future of algal systematics. CRC Press. 2007: 109–. ISBN 978-0-8493-7989-5. 

外部链接