Niche Partitioning Among Prochlorococcus Ecotypes Along Ocean-Scale Environmental Gradients

by: Zackary I Johnson, Erik R Zinser, Allison Coe, Nathan P Mcnulty, Woodward, Sallie W Chisholm

Science, Vol. 311, No. 5768. (24 March 2006), pp. 1737-1740.

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Abstract

Prochlorococcus is the numerically dominant phytoplankter in the oligotrophic oceans, accounting for up to half of the photosynthetic biomass and production in some regions. Here, we describe how the abundance of six known ecotypes, which have small subunit ribosomal RNA sequences that differ by less than 3%, changed along local and basin-wide environmental gradients in the Atlantic Ocean. Temperature was significantly correlated with shifts in ecotype abundance, and laboratory experiments confirmed different temperature optima and tolerance ranges for cultured strains. Light, nutrients, and competitor abundances also appeared to play a role in shaping different distributions. 10.1126/science.1118052

@article{citeulike:590584, abstract = {Prochlorococcus is the numerically dominant phytoplankter in the oligotrophic oceans, accounting for up to half of the photosynthetic biomass and production in some regions. Here, we describe how the abundance of six known ecotypes, which have small subunit ribosomal RNA sequences that differ by less than 3\%, changed along local and basin-wide environmental gradients in the Atlantic Ocean. Temperature was significantly correlated with shifts in ecotype abundance, and laboratory experiments confirmed different temperature optima and tolerance ranges for cultured strains. Light, nutrients, and competitor abundances also appeared to play a role in shaping different distributions. 10.1126/science.1118052}, author = {Johnson, Zackary I. and Zinser, Erik R. and Coe, Allison and Mcnulty, Nathan P. and Woodward and Chisholm, Sallie W. }, citeulike-article-id = {590584}, doi = {http://dx.doi.org/10.1126/science.1118052}, journal = {Science}, keywords = {fcm, prochlorococcus, qpcr, transect}, month = {March}, number = {5768}, pages = {1737--1740}, posted-at = {2008-05-05 16:11:09}, priority = {2}, title = {Niche Partitioning Among Prochlorococcus Ecotypes Along Ocean-Scale Environmental Gradients}, url = {http://dx.doi.org/10.1126/science.1118052}, volume = {311}, year = {2006} }

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TY - JOUR ID - citeulike:590584 L3 - citeulike-article-id:590584 TI - Niche Partitioning Among Prochlorococcus Ecotypes Along Ocean-Scale Environmental Gradients JF - Science VL - 311 IS - 5768 SP - 1737 EP - 1740 N2 - Prochlorococcus is the numerically dominant phytoplankter in the oligotrophic oceans, accounting for up to half of the photosynthetic biomass and production in some regions. Here, we describe how the abundance of six known ecotypes, which have small subunit ribosomal RNA sequences that differ by less than 3%, changed along local and basin-wide environmental gradients in the Atlantic Ocean. Temperature was significantly correlated with shifts in ecotype abundance, and laboratory experiments confirmed different temperature optima and tolerance ranges for cultured strains. Light, nutrients, and competitor abundances also appeared to play a role in shaping different distributions. 10.1126/science.1118052 KW - fcm KW - prochlorococcus KW - qpcr KW - transect AU - Johnson, Zackary AU - Zinser, Erik AU - Coe, Allison AU - Mcnulty, Nathan AU - Woodward AU - Chisholm, Sallie PY - 2006/03/24/ UR - http://dx.doi.org/10.1126/science.1118052 ER -

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