Abstract:
:Plants need to acquire nitrogen (N) efficiently from the soil for growth. Nitrate is one of the major N sources for higher plants. Therefore, nitrate uptake and allocation are key factors in efficient N utilization. Membrane-bound transporters are required for nitrate uptake from the soil and for the inter- and intracellular movement of nitrate inside the plants. Four gene families, nitrate transporter 1/peptide transporter (NRT1/PTR), NRT2, chloride channel (CLC), and slow anion channel-associated 1 homolog 3 (SLAC1/SLAH), are involved in nitrate uptake, allocation, and storage in higher plants. Recent studies of these transporters or channels have provided new insights into the molecular mechanisms of nitrate uptake and allocation. Interestingly, several of these transporters also play versatile roles in nitrate sensing, plant development, pathogen defense, and/or stress response.
journal_name
Trends Plant Scijournal_title
Trends in plant scienceauthors
Wang YY,Hsu PK,Tsay YFdoi
10.1016/j.tplants.2012.04.006subject
Has Abstractpub_date
2012-08-01 00:00:00pages
458-67issue
8eissn
1360-1385issn
1878-4372pii
S1360-1385(12)00098-2journal_volume
17pub_type
杂志文章,评审abstract::It is challenging to understand how plants adapt flowering time to novel environmental conditions, such as global warming, while maintaining plasticity in response to daily fluctuating temperatures. A recent study shows a role for transposons and highlights the need to investigate how these different responses evolved...
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