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Cited by 389

The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.

Arabidopsis Seedling Growth, Storage Lipid Mobilization, and Photosynthetic Gene Expression Are Regulated by Carbon:Nitrogen Availability

Open access
Martin, Thomas, Oswald, Oliver, Graham, Ian A.·2002·Plant Physiology
DOI 10.1104/pp.010475
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Abstract

The objective of the current work was to establish the degree to which the effects of carbon and nitrogen availability on Arabidopsis seedling growth and development are due to these nutrients acting independently or together. Growth of seedlings on low (0.1 mm) nitrogen results in a significant reduction of seedling and cotyledon size, fresh weight, chlorophyll, and anthocyanin content but a slight increase in endogenous sugars. The addition of 100 mm sucrose (Suc) to the nitrogen-depleted growth media results in a further reduction in cotyledon size and chlorophyll content and an overall increase in anthocyanins and endogenous sugars. Storage lipid breakdown is almost completely blocked in seedlings grown on low nitrogen and 100 mm Suc and is significantly inhibited when seedlings are grown on either low nitrogen or high Suc. Carbohydrate repression of photosynthetic gene expression can only be observed under low nitrogen conditions. Low (0.1 mm) nitrogen in the absence of exogenous carbohydrate results in a significant decrease in chlorophyll a/b-binding proteinand ribulose bisphosphate carboxylase small subunit gene transcript levels. Thus, carbon to nitrogen ratio rather than carbohydrate status alone appears to play the predominant role in regulating various aspects of seedling growth including storage reserve mobilization and photosynthetic gene expression.

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Metadata

Authors
Martin, T., Oswald, O., & Graham, I. A.
Venue
Plant Physiology
Publisher
Oxford University Press (OUP)
Published
2002-02-01
Volume
128
Issue
2
Pages
472-481
ISSN
  • 0032-0889 (ISSN-L)
  • 1532-2548
DOI
10.1104/pp.010475
OpenAlex
W2172170865
Cited by
389
References
33
FWCI
13.90
Type
journal article
Language
en
Open access
green

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