Results 41 to 50 of about 113,928,681 (157)
Dynamics of N2 fixation and fate of diazotroph-derived nitrogen in a low-nutrient, low-chlorophyll ecosystem: results from the VAHINE mesocosm experiment (New Caledonia) [PDF]
Biogeosciences, 2016 N2 fixation rates were measured daily in large (∼ 50 m3) mesocosms deployed in the tropical southwest Pacific coastal ocean (New Caledonia) to investigate the temporal variability in N2 fixation rates in relation with environmental parameters and study ...
S. Bonnet +6 more
doaj +1 more source
At Stn. ALOHA, UCYN-A sublineages had different schedules for peak transcriptional activity.
, 2023 As in Fig 3, all detected genes were categorized by the time of their peak transcript level. At Stn. ALOHA, UCYN-A sublineages had a 3 h lag between the times when many of their genes peaked: D12 for UCYN-A3, L3 for UCYN-A2, and L6 for UCYN-A1. No sample
Jonathan D. Magasin (8735343) +2 more
core +1 more source
Cyanobacterial Diazotroph Distributions in the Western South Atlantic
Frontiers in Marine Science, 2022 Inputs of new nitrogen by cyanobacterial diazotrophs are critical to ocean ecosystem structure and function. Relative to other ocean regions, there is a lack of data on the distribution of these microbes in the western South Atlantic. Here, the abundance
Amália Maria Sacilotto Detoni +5 more
doaj +1 more source
Intriguing diversity among diazotrophic picoplankton along a Mediterranean transect: a dominance of rhizobia [PDF]
Biogeosciences, 2011 The Mediterranean Sea is one of the most oligotrophic marine areas on earth where nitrogen fixation has formally believed to play an important role in carbon and nitrogen fluxes.
M. Le Moal, H. Collin, I. C. Biegala
doaj +1 more source
Frontiers in Microbiology, 2021 Unicellular nitrogen fixing cyanobacteria (UCYN) are abundant members of phytoplankton communities in a wide range of marine environments, including those with rapidly changing nitrogen (N) concentrations.
Lubos Polerecky +25 more
doaj +1 more source
Highly heterogeneous diazotroph communities in the Kuroshio Current and the Tokara Strait, Japan.
PLoS ONE, 2017 In this study, we used 454-pyrosequencing to report the highly diverse diazotroph communities in the Kuroshio and its adjacent waters along a transect across the Tokara Strait, Japan.
Shunyan Cheung +5 more
doaj +1 more source
Frontiers in Microbiology, 2018 Major advances in understanding the diversity, distribution, and activity of marine N2-fixing microorganisms (diazotrophs) have been made in the past decades, however, large gaps in knowledge remain about the environmental controls on growth and ...
Kendra A. Turk-Kubo +6 more
doaj +1 more source
Frontiers in Marine Science, 2022 The increasing occurrence of heat waves and water turbidity are threats to the persistence of seagrass meadows. Their effects on the productivity of seagrasses and the functioning of their associated microorganisms have not been studied extensively.
Manuela Gertrudis García-Márquez +3 more
doaj +1 more source
Frontiers in Marine Science, 2018 Some N2-fixing cyanobacteria form symbiosis with diverse protists. In the plankton two groups of diazotrophic symbioses are described: (1) a collective group of diatoms which associate with heterocystous cyanobacteria (Diatom Diazotroph Associations, DDA)
Andrea Caputo +3 more
doaj +1 more source
Nitrogen fixation and the diazotroph community in the temperate coastal region of the northwestern North Pacific [PDF]
Biogeosciences, 2015 Nitrogen fixation in temperate oceans is a potentially important, but poorly understood process that may influence the marine nitrogen budget. This study determined seasonal variations in nitrogen fixation and the diazotroph community within the euphotic
T. Shiozaki +3 more
doaj +1 more source