Bacterial community analysis of Indonesian hot springs

Baker, Gillian C.

doi:10.1016/s0378-1097(01)00207-5

Cited by 13 publications

(12 citation statements)

References 18 publications

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“…), as has been reported for other acidic thermal springs (Wilson et al ., ). This latter result suggests that many of the microorganisms found in these habitats could be different from those previously identified in other springs and environments (Baker et al ., ; Jackson et al ., ; Demergasso et al ., ). Overall, these Andean spring microbial communities harbored diverse taxonomic groups and an abundance of mixotrophs with respect to other groups (i.e.…”

Section: Discussionmentioning

confidence: 98%

Neotropical Andes hot springs harbor diverse and distinct planktonic microbial communities

Delgado-Serrano

López

Bohorquez

et al. 2014

FEMS Microbiol Ecol

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Microbial explorations of hot springs have led to remarkable discoveries and improved our understanding of life under extreme conditions. The Andean Mountains harbor diverse habitats, including an extensive chain of geothermal heated water sources. In this study, we describe and compare the planktonic microbial communities present in five high-mountain hot springs with distinct geochemical characteristics, at varying altitudes and geographical locations in the Colombian Andes. The diversity and structure of the microbial communities were assessed by pyrosequencing the V5 - V6 region of the 16S rRNA gene. The planktonic communities varied in terms of diversity indexes and were dominated by the bacterial phyla Proteobacteria, Aquificae, Chloroflexi, Cyanobacteria, Firmicutes, Nitrospirae, and Thermotogae, with site-specific bacterial taxa also observed in some cases. Statistical analyses showed that these microbial communities were distinct from one another and that they clustered in a manner consistent with physicochemical parameters of the environment sampled. Multivariate analysis suggested that pH and sulfate were among the main variables influencing population structure and diversity. The results show that despite their geographical proximity and some shared geochemical characteristics, there were few shared operational taxonomic units (OTUs) and that community structure was influenced mainly by environmental factors that have resulted in different microbial populations.

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Section: Discussionmentioning

confidence: 98%

Neotropical Andes hot springs harbor diverse and distinct planktonic microbial communities

Delgado-Serrano

López

Bohorquez

et al. 2014

FEMS Microbiol Ecol

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“…Bands J and H were related to the group of rhizobia. and band M to the genus Pantoea which contains aerobic / facultative anaerobic, mesophilic bacteria (Brenner 1992;Elkan and Bunn 1992;Kerr 1992;Sproer et al 1999;Baker et al 2001). Their coexistence with living rice plant may be related to the plant associative or pathogenic characters of some of the members within these groups, but further investigations should be carried out.…”

Section: Discussionmentioning

confidence: 99%

Succession and phylogenetic composition of bacterial communities responsible for the composting process of rice straw estimated by PCR-DGGE analysis

Cahyani

Matsuya

Asakawa

et al. 2003

Soil Science and Plant Nutrition

119

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PCR-DGGE analysis followed by sequencing of 16S rDNA was applied to reveal the succession and the phylogenetic composition of the bacterial communities responsible for the composting process of rice straw (RS). RS under the composting process exhibited more complex DGGE band patterns with more numerous bands and more diversification in intensity than the initial RS materials. The DGGE patterns of the bacterial communities in the initial RS materials and RS under the composting process were statistically divided into four groups, namely those characterizing the communities associated with the pre-composting stage, and thermophilic, middle, and curing stages of the compost, which corresponded exactly to the same grouping obtained from the PLFA pattern analysis for the same samples (Cahyani et al. 2002: Soil Sci. Plant Nutr., 48, 735-743). Different bacterial members characterized the respective stages as follows: a-Proteobacteria for the initial RS materials, thermophilic Bacillus spp. and actinomycetes at the thermophilic stage, and Cytophaga and clostridial members at the middle and curing stages, respectively. In addition, mesophilic Bacillus members were always present throughout the composting process. Temperature and substrates available to bacteria seemed mainly to determine the composition of the bacterial members at the respective stages.

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“…We isolated four thermophilic bacterial strains from water and sludge sample of un-explored Tattapani Hot spring, situated in Himachal Pradesh. Thermophiles can be generally classified as moderate thermophiles (growth optimum 50-60°C), extreme thermophiles (growth optimum 60-80°C) and hyperthermophiles (growth optimum 80-110°C) [38]. Bacterial strains isolated in the current study could grow optimally between 60-75°C and are classified as extreme thermophiles (Table 3).…”

Section: Discussionmentioning

confidence: 89%

Molecular evolution of Thermophilic Geobacillus species isolated from Tattapani Hotspring (India) and the Worldwide Distribution

Sharma

Gupta

Sourirajan

et al. 2020

CTBP

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Bacterial community analysis of Indonesian hot springs

Cited by 13 publications

References 18 publications

Neotropical Andes hot springs harbor diverse and distinct planktonic microbial communities

Neotropical Andes hot springs harbor diverse and distinct planktonic microbial communities

Succession and phylogenetic composition of bacterial communities responsible for the composting process of rice straw estimated by PCR-DGGE analysis

Molecular evolution of Thermophilic Geobacillus species isolated from Tattapani Hotspring (India) and the Worldwide Distribution

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