Molecular regulation of immunity in tea plants

Rui, Lu; Su, Jia-Yi; Li, Tao; Sun, Jia-Miao; Wu, Guangheng

doi:10.1007/s11033-022-08177-4

Cited by 8 publications

(2 citation statements)

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“…Despite their economic importance, the precise defense mechanisms employed by tea plants against this disease have remained elusive. Previous studies have shed light on the sophisticated innate immune systems of tea plants, as extensively studied in model plants facing various pathogens such as Pseudopestalotiopsis sp., Colletotrichum sp., and Exobasidium vexans [34]. Understanding the molecular intricacies of plant immunity is crucial for identifying key genes that regulate plant defense.…”

Section: Discussionmentioning

confidence: 99%

“…Secondary metabolism pathways emerge as particularly crucial in tea plant resistance to diseases. Research indicates that modulation of the caffeine metabolism pathway reduces fungal tolerance to caffeine and impairs fungal virulence during tea plant infection with Colletotrichum camelliae [34,42]. Furthermore, the presence of three primary metabolites in tea-caffeine, theanine, and polyphenols-has been linked to disease resistance properties.…”

Section: Discussionmentioning

confidence: 99%

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Comparative Transcript Profiling of Resistant and Susceptible Tea Plants in Response to Gray Blight Disease

Tan,

Jiao,

Huang

et al. 2024

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Gray blight disease stands as one of the most destructive ailments affecting tea plants, causing significant damage and productivity losses. However, the dynamic roles of defense genes during the infection of gray blight disease remain largely unclear, particularly concerning their distinct responses in resistant and susceptible cultivars. In the pursuit of understanding the molecular interactions associated with gray blight disease in tea plants, a transcriptome analysis unveiled that 10,524, 17,863, and 15,178 genes exhibited differential expression in the resistant tea cultivar (Yingshuang), while 14,891, 14,733, and 12,184 genes showed differential expression in the susceptible tea cultivar (Longjing 43) at 8, 24, and 72 h post-inoculation (hpi), respectively. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses highlighted that the most up-regulated genes were mainly involved in secondary metabolism, photosynthesis, oxidative phosphorylation, and ribosome pathways. Furthermore, plant hormone signal transduction and flavonoid biosynthesis were specifically expressed in resistant and susceptible tea cultivars, respectively. These findings provide a more comprehensive understanding of the molecular mechanisms underlying tea plant immunity against gray blight disease.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%