Journal
BIOLOGIA PLANTARUM
Volume 56, Issue 1, Pages 117-120Publisher
ACAD SCIENCES CZECH REPUBLIC, INST EXPERIMENTAL BOTANY
DOI: 10.1007/s10535-012-0025-2
Keywords
nitric oxide; CONSTANS; FLOWERING LOCUS C; FLOWERING LOCUS T
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Funding
- Science and Technology Department of Qinghai Province [2010-H-809]
- Ministry of Education Foundation [Z2009-1-81010]
- National Major Special Project on New Varieties Cultivation for Transgenic Organisms [2009ZX08009-130B]
- National Basic Research Program of China [2009CB118305]
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We found that cadmium promoted flowering in Arabidopsis and suppressed nitric oxide accumulation in leaves. Supplementation with NO donor SNP delayed flowering, whereas application of NO scavenger cPTIO further promoted the transition from vegetative to reproductive stage under Cd stress. Semi-quantitative RT-PCR showed that Cd treatment up-regulated the expression of CONSTANS and FLOWERING LOCUS T, whereas down-regulated the expression of FLOWERING LOCUS C.
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