Herb dodder (Cuscuta spp.) is one of the most important parasitic plants that can severely affect crop yields in the world. So far, interactions of this parasitic plant with hosts were not investigated adequately. Here, we conducted a differential expression analyzes and identified a number of genes that were differentially expressed in haustorium tissue compared with the stem of Cuscuta campestris growing on Alfalfa. We obtained 439 cDNA fragments from haustoria (parasite-host connection zone) and stems (25 cm away from connections zones) using the cDNA-AFLP (Amplified Fragment Length Polymorphism) method with eight different primer combinations. Of 439 transcript-derived fragments (TDFs) that were detected, 145 fragments were identified as differentially expressed genes. Five TDF sequences were similar to known functional genes involved in signal transduction, metabolism, respiration, and stress responses. Genes encoding DEAD-box ATP-dependent RNA helicase, potential heme-binding protein, lysine-specific demethylase 5A were selected for qRT-PCR. The qRT-PCR analyzes confirmed the results obtained using cDNA-AFLP. Our findings shed light on the elicitation of dodder defense responses in the connection zone to overcome plant defense reactions.
Overexpression of stress-related genes in Cuscuta campestris in response to host defense reactions
H. Rezaei,K. Alamisaeed,C. Moslemkhani
Published 2017 in Biotechnologia. Journal of Biotechnology, Computational Biology and Bionanotechnology
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- Publication year
2017
- Venue
Biotechnologia. Journal of Biotechnology, Computational Biology and Bionanotechnology
- Publication date
2017-07-18
- Fields of study
Biology, Environmental Science
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