Fundamental shift in vitamin B eco-physiology of a model alga demonstrated by experimental evolution
ISME Journal, ISSN: 1751-7370, Vol: 9, Issue: 6, Page: 1446-1455
2015
- 59Citations
- 157Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations59
- Citation Indexes59
- CrossRef59
- 56
- Captures157
- Readers157
- 157
Article Description
A widespread and complex distribution of vitamin requirements exists over the entire tree of life, with many species having evolved vitamin dependence, both within and between different lineages. Vitamin availability has been proposed to drive selection for vitamin dependence, in a process that links an organism's metabolism to the environment, but this has never been demonstrated directly. Moreover, understanding the physiological processes and evolutionary dynamics that influence metabolic demand for these important micronutrients has significant implications in terms of nutrient acquisition and, in microbial organisms, can affect community composition and metabolic exchange between coexisting species. Here we investigate the origins of vitamin dependence, using an experimental evolution approach with the vitamin B 12 -independent model green alga Chlamydomonas reinhardtii. In fewer than 500 generations of growth in the presence of vitamin B 12, we observe the evolution of a B 12 -dependent clone that rapidly displaces its ancestor. Genetic characterization of this line reveals a type-II Gulliver-related transposable element integrated into the B 12 -independent methionine synthase gene (METE), knocking out gene function and fundamentally altering the physiology of the alga.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84929654035&origin=inward; http://dx.doi.org/10.1038/ismej.2014.230; http://www.ncbi.nlm.nih.gov/pubmed/25526368; https://academic.oup.com/ismej/article/9/6/1446-1455/7558152; https://dx.doi.org/10.1038/ismej.2014.230; https://academic.oup.com/ismej/article/9/6/1446/7558152
Oxford University Press (OUP)
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