Photosynthesis is essential for the growth of all green plants, and the presence of an endophyte enhances the photosynthesis of (drunken horse grass, DHG), including when it is under attack by fungal pathogens. However, few studies have examined the mechanism of the increased photosynthetic activity at the molecular level of when it is under pathogen stress. The present study investigated the effects of the presence of the endophyte on the net photosynthetic rate, intercellular CO concentration, stomatal conductance, and transpiration rate of DHG plants under a infection condition, and we compared the transcriptomes using RNA sequencing. The results showed that the photosynthetic rate of endophyte-infected (E+) plants was higher under the infection condition, and also without this pathogen, when it was compared with endophyte-free (E-) plants. The E+ plants uninfected with had 15 up-regulated unigenes that are involved in photosynthesis which were compared to the E- plants that were uninfected with this pathogen. This suggests that the presence of an endophyte up-regulates the genes that are involved in the process of photosynthesis.
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| http://dx.doi.org/10.3390/jof8111201 | DOI Listing |
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