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海洋科学  2012 

鄂霍次克海冷泉沉积物真核生物多样性的初步研究

, PP. 29-33

Keywords: 冷泉沉积物,核糖体rRNA,基因内转录间隔区,真核生物多样性

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Abstract:

从鄂霍次克海沉积物样品中提取总基因组DNA,进行核糖体rRNA基因内转录间隔区(ITS)的扩增,构建克隆文库并进行测序,对该环境下真核生物的多样性进行了初步研究。结果发现,该环境下的真核生物具有较高的多样性,主要为3大类,真核藻类、真菌和微型浮游动物。藻类和微型浮游动物的组成与前人在该海域浮游生物生态学的研究相吻合,而真菌群落具有较高的多样性,这为该区域真核生物多样性、所参与的生物地球化学过程及生态学意义的研究奠定了基础。

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