دورية أكاديمية
A molecular study of microbe transfer between distant environments.
| العنوان: | A molecular study of microbe transfer between distant environments. |
|---|---|
| المؤلفون: | Hooper SD; Department of Energy Joint Genome Institute, Walnut Creek, California, United States of America., Raes J, Foerstner KU, Harrington ED, Dalevi D, Bork P |
| المصدر: | PloS one [PLoS One] 2008 Jul 09; Vol. 3 (7), pp. e2607. Date of Electronic Publication: 2008 Jul 09. |
| نوع المنشور: | Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
| اللغة: | English |
| بيانات الدورية: | Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: Electronic Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: San Francisco, CA : Public Library of Science |
| مواضيع طبية MeSH: | Environment* , Genes, Bacterial*, Ecology ; Ecosystem ; Gene Transfer, Horizontal ; Phylogeny ; Water Microbiology |
| مستخلص: | Background: Environments and their organic content are generally not static and isolated, but in a constant state of exchange and interaction with each other. Through physical or biological processes, organisms, especially microbes, may be transferred between environments whose characteristics may be quite different. The transferred microbes may not survive in their new environment, but their DNA will be deposited. In this study, we compare two environmental sequencing projects to find molecular evidence of transfer of microbes over vast geographical distances. Methodology: By studying synonymous nucleotide composition, oligomer frequency and orthology between predicted genes in metagenomics data from two environments, terrestrial and aquatic, and by correlating with phylogenetic mappings, we find that both environments are likely to contain trace amounts of microbes which have been far removed from their original habitat. We also suggest a bias in direction from soil to sea, which is consistent with the cycles of planetary wind and water. Conclusions: Our findings support the Baas-Becking hypothesis formulated in 1934, which states that due to dispersion and population sizes, microbes are likely to be found in widely disparate environments. Furthermore, the availability of genetic material from distant environments is a possible font of novel gene functions for lateral gene transfer. |
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| تواريخ الأحداث: | Date Created: 20080710 Date Completed: 20081021 Latest Revision: 20211020 |
| رمز التحديث: | 20231215 |
| مُعرف محوري في PubMed: | PMC2442867 |
| DOI: | 10.1371/journal.pone.0002607 |
| PMID: | 18612393 |
| قاعدة البيانات: | MEDLINE |
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