大花马齿苋中的莲座状现象：一种基因表达的改变。
Rosetteness in Portulaca grandiflora: an altered genetic expression.
作者信息
Venu-Babu P, Ogale V K, Mishra S D
机构信息
Molecular Biology and Agriculture Division, B.A.R.C., Trombay, Bombay, India.
出版信息
Mol Biol Rep. 1996;23(2):119-21. doi: 10.1007/BF00424437.
Rosetteness is either developmentally controlled or induced by various biotic and abiotic stresses. Prolonged vegetative growth and/or pruning seems to be inducing rosetteness in Portulaca grandiflora. Analysis of cellular extracts from rosette stems by SDS-PAGE, revealed induction of a polypeptide of high molecular mass (approximately equal to 58 kDa) and over-expression of a few lower molecular weight polypeptides. However, leaves showed no differences in the protein profiles.
莲座状要么受发育调控，要么由各种生物和非生物胁迫诱导产生。长期营养生长和/或修剪似乎会诱导大花马齿苋产生莲座状。通过SDS-PAGE对莲座状茎的细胞提取物进行分析，发现诱导出一种高分子量（约58 kDa）的多肽，并使一些低分子量多肽过度表达。然而，叶片的蛋白质图谱没有差异。
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