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Plant Lipoxygenases and Their Role in Plant Physiology

한국식물학회지 2020년 63권 2호 p.83 ~ 95
 ( Viswanath Kotapati Kasi ) - Pondicherry University Centre for Bioinformatics

 ( Varakumar Panditi ) - International Centre for Genetic Engineering and Biotechnology Crop Improvement Group
 ( Pamuru Ramachandra Reddy ) - Yogi Vemana University Department of Biochemistry
 ( Basha Shiak Jeelan ) - Yogi Vemana University Department of Chemistry
 ( Mehta Sahil ) - International Centre for Genetic Engineering and Biotechnology Crop Improvement Group
 ( Rao Ampasala Dinakara ) - Pondicherry University Centre for Bioinformatics

Abstract


Several enzymes play a key role in plant growth and development. Among these, lipoxygenases family of enzymes are important. Lipoxygenases are a ubiquitous family of non-heme iron enzymes widely distributed in plants, initiate hydroperoxidation of polyunsaturated fatty acids containing cis, cis-1,4-pentadiene moieties, and produce phytooxylipins. Oxylipins including green leaf volatiles and hormone jasmonic acid play a significant role in physiological processes, seed germination, fruit ripening, and senescence. Detailed studies have shown that LOX and its products accumulate transiently upon developmental or environmental stimuli. LOXs play a key role in defense responses against biotic and abiotic environmental stresses such as fungi, bacteria, virus, nematodes, birds, insects, and rodents. As a result, these enzymes are the natural topics of study when scientists investigate plant response to stresses. In this review, we have concisely focused on the analysis of new information concerning plant LOXs and their role on the physiology of plants.

키워드

Lipoxygenase; Oxylipins; Pathogen attack; Abiotic stress; Wounding; Senescence
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