Publications of NIPGR Scientists
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Item The nuclear proteome of chickpea (Cicer arietinum L.) reveals predicted and unexpected proteins(American Chemical Society, 2006) Pandey, Aarti; Choudhary, Mani Kant; Bhushan, Deepti; Chattopadhyay, Arnab; Chakraborty, Subhra; Datta, Asis; Chakraborty, NiranjanNuclear proteins constitute a highly organized, complex network that plays diverse roles during cellular development and other physiological processes. The yeast nuclear proteome corresponds to about one-fourth of the total cellular proteins, suggesting the involvement of the nucleus in a number of diverse functions. In an attempt to understand the complexity of plant nuclear proteins, we have developed a proteome reference map of a legume, chickpea, using two-dimensional gel electrophoresis (2-DE). Approximately, 600 protein spots were detected, and LC-ESI-MS/MS analyses led to the identification of 150 proteins that have been implicated in a variety of cellular functions. The largest percentage of the identified proteins was involved in signaling and gene regulation (36%), while 17% were involved in DNA replication and transcription. The chickpea nuclear proteome indicates the presence of few new nuclear proteins of unknown functions vis-a-vis many known resident proteins. To the best of our knowledge, this is the first report of a nuclear proteome of an unsequenced genome.