Determinative Factors of Competitive Advantage between Aerobic Bacteria for Niches at the Air-Liquid Interface

被引：14

作者：

Yamamoto, Kyosuke ^{[1
]}

Haruta, Shin ^{[1
,2
]}

Kato, Souichiro ^{[1
]}

Ishii, Masaharu ^{[1
]}

Igarashi, Yasuo ^{[1
]}

机构：

[1] Univ Tokyo, Grad Sch Agr & Life Sci, Dept Biotechnol, Bunkyo Ku, Tokyo 1138657, Japan

[2] Tokyo Metropolitan Univ, Grad Sch Sci & Engn, Dept Biol Sci, Hachioji, Tokyo 1920397, Japan

来源：

MICROBES AND ENVIRONMENTS | 2010年 / 25卷 / 04期

关键词：

multispecies interaction; resource competition; air-liquid interface; pellicle; CELLULOSE-DEGRADATION; PELLICLE FORMATION; BACILLUS-SUBTILIS; BIOFILM FORMATION; MIXED-CULTURE; COMMUNITY; COEXISTENCE; OXYGEN; CLOSTRIDIUM; NETWORK;

D O I：

10.1264/jsme2.ME10147

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

We focused on bacterial interspecies relationships at the air-liquid interface where the formation of pellicles by aerobes was observed. Although an obligate aerobe (Brevibacillus sp. M1-5) was initially dominant in the pellicle population, a facultative aerobe (Pseudoxanthomonas sp. M1-3) emerged and the viability of M1-5 rapidly decreased due to severe competition for oxygen. Supplementation of the medium with carbohydrates allowed the two species to coexist at the air-liquid interface. These results indicate that the population dynamics within pellicles are primarily governed by oxygen utilization which was affected by a combination of carbon sources.

引用

页码：317 / 320

页数：4

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