THIOCAPSA-HALOPHILA SP-NOV, A NEW HALOPHILIC PHOTOTROPHIC PURPLE SULFUR BACTERIUM

被引：43

作者：

CAUMETTE, P ^{[1
]}

BAULAIGUE, R ^{[1
]}

MATHERON, R ^{[1
]}

机构：

[1] FAC SCI & TECH ST JEROME,MICROBIOL LAB,F-13397 MARSEILLE 13,FRANCE

来源：

ARCHIVES OF MICROBIOLOGY | 1991年 / 155卷 / 02期

关键词：

CHROMATIACEAE; THIOCAPSA; OKENONE; HYPERSALINE ENVIRONMENT; HALOPHILIC BACTERIA; MICROBIAL MATS;

D O I：

10.1007/BF00248613

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

A new phototrophic sulfur bacterium has been isolated from a red layer in a laminated mat occurring underneath a gypsum crust in the mediterranean salterns of Salin-de-Giraud (Camargue, France). Single cells were coccus-shaped, non motile, without gas vacuoles and contained sulfur globules. Bacteriochlorophyll a and okenone were present as major photosynthetic pigments. These properties and the G + C content of DNA (65.9-66.6 mol% G + C) are typical characteristics of the genus Thiocapsa. However, the new isolate differs from known species in the genus, particularly in NaCl requirement (optimum, 7% NaCl; range, 3-20% NaCl) and some physiological characteristics. Therefore, a new species is proposed, Thiocapsa halophila, sp. nov.

引用

页码：170 / 176

页数：7

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