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PMID: 18245835 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't

Drop-size soda lakes: transient microbial habitats on a salt-secreting desert tree.

Genetics ·Vol. 178 ·No. 3 ·2008-03-00 ·Pages 1615-22

Qvit-Raz N, Jurkevitch E, Belkin S

Abstract

We describe a hitherto unrecognized bacterial community, inhabiting the leaf surfaces of the salt-excreting desert tree Tamarix. High temperatures, strong radiation, and very low humidity dictate a daytime existence in complete desiccation, but damp nights allow the microbial population to proliferate in a sugar-rich, alkaline, and hypersaline solution, before drying up again after sunrise. The exclusively bacterial population contains many undescribed species and genera, but nevertheless appears to be characterized by relatively limited species diversity. Sequences of 16S rRNA genes from either isolates or total community DNA place the identified members of the community in five bacterial groups (Actinobacteria, Bacteroidetes, Firmicutes, alpha-, and gamma-Proteobacteria); in each of these, they concentrate in a very narrow branch that in most cases harbors organisms isolated from unrelated halophilic environments.

MeSH Terms
Bacteria/genetics,isolation & purification,ultrastructure Desert Climate Ecosystem Genetic Variation Molecular Sequence Data Phylogeny Plant Leaves/microbiology Plant Stems/ultrastructure Sequence Analysis, DNA Sodium Chloride/metabolism Tamaricaceae/microbiology
Chemicals
Sodium Chloride
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Qvit-Raz Noga
Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel.
Jurkevitch Edouard
Belkin Shimshon
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Article Info
Journal
Genetics
Abbr.
Genetics
ISSN
0016-6731
DOI
10.1534/genetics.107.082164
Published
2008-03-00
Epub
2008-00-03
Pages
1615-22
Language
English
Region
United States
NLM ID
0374636
PMCID
PMC2278082
Subset
IM
Databases
GENBANK
EU175877, EU175878, EU175879, EU175880, EU175881, EU175882, EU175883, EU175884, EU175885, EU175886, EU175887, EU175888, EU175889, EU175890, EU175891, EU175892, EU175893, EU175894, EU175895, EU175896, EU175897, EU175898, EU175899, EU175900, EU175901, EU175902, EU175903, EU175904, EU175905, EU175906, EU175907, EU175908, EU175909, EU175910, EU175911, EU175912, EU175913, EU175914, EU175915, EU175916, EU175917, EU175918, EU175919, EU175920, EU175921, EU175922, EU175923, EU175924, EU175925, EU175926, EU175927, EU175928, EU175929, EU175930, EU175931, EU175932, EU175933, EU175934, EU175935, EU175936, EU175937, EU175938, EU175939, EU175940, EU175941, EU175942, EU175943, EU175944, EU175945, EU175946, EU175947, EU175948, EU175949, EU175950, EU175951, EU175952, EU175953, EU175954, EU175955, EU175956, EU175957, EU175958, EU175959, EU175960, EU175961, EU175962, EU175963, EU175964, EU175965, EU175966, EU175967
External Links
PubMed source DOI: 10.1534/genetics.107.082164 PMC Full Text View journal details
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