VIRIDIELLA-FRIDERICIANA (CHLOROCOCCALES, CHLOROPHYTA), A NEW GENUS AND SPECIES ISOLATED FROM EXTREMELY ACID ENVIRONMENTS

被引：22

作者：

ALBERTANO, P ^{[1
]}

POLLIO, A ^{[1
]}

TADDEI, R ^{[1
]}

机构：

[1] UNIV NAPLES FEDERICO 2,DEPT PLANT BIOL,I-80139 NAPLES,ITALY

来源：

PHYCOLOGIA | 1991年 / 30卷 / 04期

关键词：

D O I：

10.2216/i0031-8884-30-4-346.1

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The genus Viridiella gen. nov. with a single species Viridiella fridericiana sp. nov. (Chlorococcales, Chlorophyta) is proposed. Cells are ellipsoidal to globose, and have a smooth cell wall and a single parietal chloroplast without pyrenoids. Reproduction occurs by the formation of 4-8 autospores. Viridiella can be distinguished from the closely related genus Chlorella by its cell wall ultrastructure and the absence of pyrenoids. The cellulosic cell wall is composed of a single layer with an irregular outer polysaccharide covering. Interthylakoidal starch grains are present. Viridiella fridericiana is extremely tolerant of low pH, being capable of growth at pH 0.8-7.2.

引用

页码：346 / 354

页数：9

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