ANCIENT VARIETIES OF LEGUMES: STUDIES ON THE PATHOGENESIS RELATED GENES -NEMATODE INTERACTIONS

Abstract

The legumes are important protein source for the human, animal and soil health.Unfortunately these crops (e.g., chickpea), present low productivity, because of several biotic andabiotic stresses typical of the semi-arid tropical regions where they are mainly cultivated.Among biotic stresses, plant-parasitic nematodes have been estimated to be responsible for a14% loss in annual yield.Root-knot nematodes, included Meloidogyne spp., and cyst-forming nematode (Heteroderaspp.) can attack the legumes plant roots, and their symptoms are a consistent limitation in cropproduction. New improved cultural management practices have been adopted, moreover studies onthe systemic acquired resistance (SAR) in plants, have been routinely use for the defense status ofplants.PR proteins are the downstream components of SAR, being induced in response to attack bypathogens. Host plants are able to coordinate the expression of specific PR genes in response toinfection by nematode, at the molecular level.Interactions studies between legumes and phytoparasitic nematodes have been conducted inorder to 1) find out marker genes to detect the response induced by the nematode stress, 2) identifyand characterize the Pathogenesis Related genes in Apulian ancient varieties of legumes, 3)analyzethe expression of PR genes by means of qRT-PCR, in response to nematode infections.


Tutti gli autori

  • LINGUITI G.; SOUEIDAN L.; RADICCI V.; PIERGIOVANNI A.; LEONETTI P.

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Anno di pubblicazione

2017

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ISBN

978-88-904570-7-4


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