Journal of Biotechnology & Biomaterials
Open Access

Abstract

Pigeon pea (Cajanus cajan L), a diploid legume crop species is an important dicot crop grown largely in tropical and subtropical regions of India and is one of the main sources of dietary protein. From a food security perspective, legumes provide a highly balanced and nutritious source of calories and protein that is not provided by cereals. Salinity is one of the most widespread agricultural problems in arid and semi-arid regions around the world that makes the field unproductive. As a result, the development of improved levels of tolerance to stress has become an urgent priority and much research efforts are being applied to gain better understanding of the adaptive mechanisms of the plants to combat salt stress. Molecular mechanisms governing salinity stress induced responses in pigeon pea has far from being elucidated largely due to nonavailability of genome sequence. To cope with salt stress, plants have evolved complex salt-responsive signalling and metabolic processes at the cellular, organ and whole plant levels. Being major protein source of Indian vegetarian population it is crucial to improve pigeon pea productivity under such harsh condition. Proteomic applications provide a powerful tool for the study of plant response to salt stress because it offers insights into the quantity and quality of the final gene products, that is, proteins. The functional translated portion of the genome have fundamental role in plant stress response, proteomic studies can provide a refined depiction of protein networks and metabolic pathways involved in stress tolerance mechanism. Identifying master regulator proteins that play key roles in the salinity stress response pathway is fundamental in providing opportunities for developing genetically engineered stress-tolerant crop plants.

Biography

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