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Various Plant Diseases Caused by Xanthomonas Species

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Various Plant Diseases Caused by Xanthomonas Species


Dr. Dilip Kumar Sharma



Dr. Dilip Kumar Sharma "Various Plant Diseases Caused by Xanthomonas Species" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-6 | Issue-6, October 2022, pp.867-875, URL: https://www.ijtsrd.com/papers/ijtsrd51977.pdf

Xanthomonas is a Gram-negative, aerobic, short rod-shaped bacterium belonging to the family Pseudomonadaceae. This genus includes several pathovars, which are mainly plant pathogens. Extracellular proteases, and Type II secretion systems chiefly help these bacteria in colonizing the host plant. It produces a characteristic yellow pigment, xanthomonadin, which often is used as a chemotaxonomic and diagnostic marker of this genus. Xanthan gum produced by Xanthomonas is commercially important. It is an important additive in the food industry. Recently, Xanthomonas was also observed to undergo programmed cell death (PCD), the morphological and biochemical features of which closely resemble eukaryotic PCD. The determination of the genus Xanthomonas and its species is relatively easy, however, the characterization of X. campestris pathovars poses problems. An unambiguous identification of the pathovars of X. campestris can be of great use in plant pathology. The X. campestris pathovars that are defined by the host or disease symptoms are difficult to identify by other phenotypic characteristics. X. campestris group is the largest of all and causes diseases in many plant species. It is, therefore, classified into pathovars differentiated by the host reaction. However, application of the newer techniques of classification has been useful. A relationship of nutritional properties, host specificity and DNA homology groups has been observed. Genetic diversity among the strains of different pathovars of X. campestris has also been studied for a number of pathovars. It is believed that the variability could be more pronounced in the regions where the host plant originated. Ribosomal RNA and DNA probes could be useful tools for the epidemiological studies and in following the genetic evolution of the strains.

diseases, plants, Xanthomonas, species, bacteria, pathovars, identification


IJTSRD51977
Volume-6 | Issue-6, October 2022
867-875
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

International Journal of Trend in Scientific Research and Development - IJTSRD having online ISSN 2456-6470. IJTSRD is a leading Open Access, Peer-Reviewed International Journal which provides rapid publication of your research articles and aims to promote the theory and practice along with knowledge sharing between researchers, developers, engineers, students, and practitioners working in and around the world in many areas like Sciences, Technology, Innovation, Engineering, Agriculture, Management and many more and it is recommended by all Universities, review articles and short communications in all subjects. IJTSRD running an International Journal who are proving quality publication of peer reviewed and refereed international journals from diverse fields that emphasizes new research, development and their applications. IJTSRD provides an online access to exchange your research work, technical notes & surveying results among professionals throughout the world in e-journals. IJTSRD is a fastest growing and dynamic professional organization. The aim of this organization is to provide access not only to world class research resources, but through its professionals aim to bring in a significant transformation in the real of open access journals and online publishing.

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