• 제목/요약/키워드: Horticultural Plant

검색결과 2,446건 처리시간 0.027초

Genome-wide identification and expression profiling of the pectin methylesterase gene family in Citrus sinensis (L.) Osbeck

  • Ho Bang Kim;Chang Jae Oh;Nam-Hoon Kim;Cheol Woo Choi;Minju Kim;Sukman Park;Seong Beom Jin;Su-Hyun Yun;Kwan Jeong Song
    • Journal of Plant Biotechnology
    • /
    • 제49권4호
    • /
    • pp.271-291
    • /
    • 2022
  • Pectin methylesterase (PME) plays an important role in vegetative and reproductive development and biotic/abiotic stress responses by regulating the degree of methyl-esterification of pectic polysaccharides in the plant cell wall. PMEs are encoded by a large multigene family in higher land plant genomes. In general, the expression of plant PME genes shows tissue- or cell-specific patterns and is induced by endogenous and exogenous stimuli. In this study, we identified PME multigene family members (CsPMEs) from the sweet orange genome and report detailed molecular characterization and expression profiling in different citrus tissues and two fruit developmental stages. We also discussed the possible functional roles of some CsPME genes by comparing them with the known functions of PMEs from other plant species. We identified 48 CsPME genes from the citrus genome. A phylogenetic tree analysis revealed that the identified CsPMEs were divided into two groups/types. Some CsPMEs showed very close phylogenetic relationships with the PMEs whose functions were formerly addressed in Arabidopsis, tomato, and maize. Expression profiling showed that some CsPME genes are highly or specifically expressed in the leaf, root, flower, or fruit. Based on the phylogenetic relationships and gene expression profiling results, we suggest that some CsPMEs could play functional roles in pollen development, pollen tube growth, cross incompatibility, root development, embryo/seed development, stomata movement, and biotic/abiotic stress responses. Our results shed light on the biological roles of individual CsPME isoforms and contribute to the search for genetic variations in citrus genetic resources.

녹비작물과 유기비료를 이용한 황기의 부위별 Astragaloside와 탄수화물간의 관계 연구 (Study on relationship of carbohydrate and astragaloside in different tissues of Astragalus membranaceus Bunge root using green manures and organic fertilizers)

  • 이경아;장윤기;안태진;김영국;박춘근;안영섭;박충범;송범헌
    • 한국약용작물학회:학술대회논문집
    • /
    • 한국약용작물학회 2010년도 심포지엄 및 추계학술발표회
    • /
    • pp.503-504
    • /
    • 2010
  • PDF

Co-treatment with Origanum Oil and Thyme Oil Vapours Synergistically Limits the Growth of Soil-borne Pathogens Causing Strawberry Diseases

  • Jong Hyup, Park;Min Geun, Song;Sang Woo, Lee;Sung Hwan, Choi;Jeum Kyu, Hong
    • The Plant Pathology Journal
    • /
    • 제38권6호
    • /
    • pp.673-678
    • /
    • 2022
  • Vapours from origanum oil (O) and thyme oil (T) were applied to the four soil-borne strawberry pathogens Fusarium oxysporum f. sp. fragariae, Colletotrichum fructicola, Lasiodiplodia theobromae, and Phytophthora cactorum, causing Fusarium wilt, anthracnose, dieback, and Phytophthora rot, respectively. Increasing T vapour doses in the presence of O vapour strongly inhibited mycelial growths of the four pathogens and vice versa. When mycelia of F. oxysporum f. sp. fragariae and P. cactorum exposed to the combined O + T vapours were transferred to the fresh media, mycelial growth was restored, indicating fungistasis by vapours. However, the mycelial growth of C. fructicola and L. theobromae exposed to the combined O + T vapours have been slightly retarded in the fresh media. Prolonged exposure of strawberry pathogens to O + T vapours in soil environments may be suggested as an alternative method for eco-friendly disease management.