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Cited by 142Plant nutrient uptake and metabolismDiatoms and Algae ResearchAquatic Ecosystems and Phytoplankton Dynamics

The DOI matches its Crossref record; 17 of the 18 references it cites were found in a registry or an index.

RATE OF PHOSPHORUS UPTAKE BY PHAEODACTYLUM TRICORNUTUM

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KUENZLER, EDWARD J., KETCHUM, BOSTWICK H.·1962·The Biological Bulletin
DOI 10.2307/1539510
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Abstract

Portions of a phosphorus-deficient culture of Phaeodactylum tricornutum Bohlin were dispensed into fresh media containing phosphate concentrations from 8 to 80 µM. The instantaneous initial phosphate uptake rates were 12 to 24 x 10-17 mole/cell·min. The concentrations of phosphorus in the cells extended from a high of 66 x 10-15 mole/cell after 12 hours' exposure to phosphate-rich (32 and 80 µM) media to a low of 2 x 10-15 mole/cell when PO4 depletion of the medium limited further growth. In another experiment Phaeodactylum was prepared with varying intracellular P concentrations in media with very low PO4 concentrations. Radioactive phosphate was then added, the time course of P32 distribution was followed, and the rate of phosphate uptake was calculated. The initial rates ranged from 10-17 to 3 x 10-17 mole/cell·min. These were about one order of magnitude less than the uptake rates during the first two hours of the first experiment, even though the PO4 concentrations were two to four orders of magnitude lower. Radioisotope analysis showed that Phaeodactylum decreased the phosphate in the medium to as little as 7.2 x 10-10 M, a concentration much below the limit of sensitivity of the chemical analytical method.

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Metadata

Authors
KUENZLER, E. J., & KETCHUM, B. H.
Affiliations
Woods Hole Oceanographic Institution (US)
Venue
The Biological Bulletin
Publisher
University of Chicago Press
Published
1962-08
Volume
123
Issue
1
Pages
134-145
ISSN
  • 0006-3185 (ISSN-L)
  • 1939-8697
DOI
10.2307/1539510
OpenAlex
W2403433525
Cited by
142
References
18
Citations by year
2024: 2 · 2022: 1 · 2021: 1 · 2020: 1 · 2017: 1 · 2016: 2 · 2015: 1 · 2014: 1 · 2013: 2 · 2012: 1
FWCI
4.88
Type
journal article
Language
en
Open access
Licence
cc-by-nc-sa
Locations
  • Biological Bulletin (publishedVersion)
  • Biodiversity Heritage Library (Smithsonian Institution) (submittedVersion, cc-by-nc-sa)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant nutrient uptake and metabolism
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Diatoms and Algae Research
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
Keywords
Phaeodactylum tricornutum, phosphate uptake, phosphorus deficiency, diatoms, phosphate uptake kinetics, intracellular phosphorus, phosphate limitation, phosphorus limitation, microalgae growth

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