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Chuaria的解剖结构及其植物属性
  • ISSN号：0023-074X
  • 期刊名称：《科学通报》
  • 时间：0
  • 分类：Q943[生物学—植物学]
  • 作者机构：[1]中国科学院南京地质古生物研究所,现代古生物学与地层学国家重点实验室,南京210008, [2]南京师范大学生命科学学院,江苏省超分子医用材料及应用重点实验室,南京210046, [3]湖南地质博物馆,长沙410007
  • 相关基金：中国科学院知识创新工程重要方向项目（KZCX2-Yw-153,KZCX2-Yw-154）、国家自然科学基金（40772006,40625006,40632010,J0630967）、现代古生物学与地层学国家重点实验室自主研究课题（20101104）、现代古生物学与地层学国家重点实验室室基础性研究课题（20102108）和教育部留学回国人员科研启动基金资助
作者： 王鑫[1], 袁训来[1], 周传明[1], 杜开和[2], 龚淼[1,3]
关键词： Chuaria, 植物, 细胞壁, 多细胞, 真核生物, 膜
中文摘要：

Chuaria是目前已知的前寒武纪的少数几个全球广布的宏体化石之一.尽管Chuaria的研究历史可以追溯到1899年,但是其系统位置却至今尚未最后确定.人们曾经围绕着这个常见化石的系统位置提出了多个互相排斥的假说.其中一种说法认为其是多细胞藻类,但是这种说法由于缺乏令人信服的解剖结构并没有得到广泛的接受.本文清晰地揭示了Chuaria的细胞结构,Chuaria中细胞壁的存在表明其是真核多细胞藻类.这一结论与最近生物地球化学的结论不谋而合.其中细胞壁厚度的变化表明该生物中已经出现初步的细胞分化.这些前寒武纪化石细胞内的膜状结构进一步支持该生物的真核生物属性.这些数据和结论部分结束了长期以来围绕Chuaria分类位置的争辩,使得Chuaria成为少数几个已知的新元古代冰期之前出现的多细胞真核生物的成员.

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期刊信息
  • 《科学通报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院
  • 主编：周光召
  • 地址：北京东黄城根北街16号
  • 邮编：100717
  • 邮箱：csb@scichina.org
  • 电话：010-64036120 64012686
  • 国际标准刊号：ISSN：0023-074X
  • 国内统一刊号：ISSN：11-1784/N
  • 邮发代号:80-213
  • 获奖情况:
  • 首届国家期刊奖,中国期刊方阵“双高”期刊,第三届中国出版政府奖
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  • 美国化学文摘（网络版）,美国数学评论（网络版）,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:81792