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Keywords
(12)
Amplified Fragment Length Polymorphism
capsicum annuum
Differential Expression
Expression Pattern
Male Fertility
Male Sterility
Pollen Germination
Sterilization
Virus Induced Gene Silencing
Amino Acid
Full Length
Lipid Transfer Protein
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CaMF2, an anther-specific lipid transfer protein (LTP) gene, affects pollen development in Capsicum annuum L
CaMF2, an anther-specific lipid transfer protein (LTP) gene, affects pollen development in Capsicum annuum L,10.1016/j.plantsci.2011.07.003,Plant Scie
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CaMF2, an anther-specific lipid transfer protein (LTP) gene, affects pollen development in Capsicum annuum L
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Changming Chen
,
Guoju Chen
,
Xuefeng Hao
,
Bihao Cao
,
Qinghua Chen
,
Shaoqun Liu
,
Jianjun Lei
Based on the gene
differential expression
analysis performed by cDNA-amplified fragment length
polymorphism
(cDNA-AFLP) in the genic male sterile–fertile line 114AB of
Capsicum annuum
L., a variety of differentially expressed cDNA fragments were detected in fertile or sterile lines. A transcript-derived fragment (TDF) specifically accumulated in the flower buds of fertile line was isolated, and the corresponding full-length cDNA and DNA were subsequently amplified. Bioinformatical analyses of this gene named CaMF2 showed that it encodes a
lipid transfer protein
with 94 amino acids. Spatial and temporal expression patterns analysis indicated that CaMF2 was an anther-specific gene and the expression of CaMF2 was detected only in flower buds at stage 3–7 of male fertile line with a peak expression at stage 4, but not detected in the roots, tender stems, fresh leaves, flower buds, open flowers, sepals, petals, anthers or pistils of male sterile line. Further, inhibition of the CaMF2 by virus-induced
gene silencing
(VIGS) method resulted in the low
pollen germination
ability and shriveled pollen grains. All these evidence showed that CaMF2 had a vital role in pollen development of C. annuum.
Journal:
Plant Science - PLANT SCI
, vol. 181, no. 4, pp. 439-448, 2011
DOI:
10.1016/j.plantsci.2011.07.003
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