Analysis of the content and distribution of organic acids in chickpea plants (Cicer arietinum L.) showed that malonate was the most abundant acid in roots and nodules, whereas malate was the main acid in leaves and stems. The highest concentration of malonate in roots was in the apices. Malonate metabolism did not appear to be directly related to abiotic stress. We suggest that malonate has a role as a defensive chemical in roots and nodules of chickpeas.
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