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Uniform ripening encodes a Golden 2-like transcription factor regulating tomato fruit chloroplast development.
Science. 2012 Jun 29; 336(6089):1711-5.Sci

Abstract

Modern tomato (Solanum lycopersicum) varieties are bred for uniform ripening (u) light green fruit phenotypes to facilitate harvests of evenly ripened fruit. U encodes a Golden 2-like (GLK) transcription factor, SlGLK2, which determines chlorophyll accumulation and distribution in developing fruit. In tomato, two GLKs--SlGLK1 and SlGLK2--are expressed in leaves, but only SlGLK2 is expressed in fruit. Expressing GLKs increased the chlorophyll content of fruit, whereas SlGLK2 suppression recapitulated the u mutant phenotype. GLK overexpression enhanced fruit photosynthesis gene expression and chloroplast development, leading to elevated carbohydrates and carotenoids in ripe fruit. SlGLK2 influences photosynthesis in developing fruit, contributing to mature fruit characteristics and suggesting that selection of u inadvertently compromised ripe fruit quality in exchange for desirable production traits.

Authors+Show Affiliations

Plant Sciences Department, University of California, Davis, CA 95616, USA. alpowell@ucdavis.eduNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

22745430

Citation

Powell, Ann L T., et al. "Uniform Ripening Encodes a Golden 2-like Transcription Factor Regulating Tomato Fruit Chloroplast Development." Science (New York, N.Y.), vol. 336, no. 6089, 2012, pp. 1711-5.
Powell AL, Nguyen CV, Hill T, et al. Uniform ripening encodes a Golden 2-like transcription factor regulating tomato fruit chloroplast development. Science. 2012;336(6089):1711-5.
Powell, A. L., Nguyen, C. V., Hill, T., Cheng, K. L., Figueroa-Balderas, R., Aktas, H., Ashrafi, H., Pons, C., Fernández-Muñoz, R., Vicente, A., Lopez-Baltazar, J., Barry, C. S., Liu, Y., Chetelat, R., Granell, A., Van Deynze, A., Giovannoni, J. J., & Bennett, A. B. (2012). Uniform ripening encodes a Golden 2-like transcription factor regulating tomato fruit chloroplast development. Science (New York, N.Y.), 336(6089), 1711-5. https://doi.org/10.1126/science.1222218
Powell AL, et al. Uniform Ripening Encodes a Golden 2-like Transcription Factor Regulating Tomato Fruit Chloroplast Development. Science. 2012 Jun 29;336(6089):1711-5. PubMed PMID: 22745430.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Uniform ripening encodes a Golden 2-like transcription factor regulating tomato fruit chloroplast development. AU - Powell,Ann L T, AU - Nguyen,Cuong V, AU - Hill,Theresa, AU - Cheng,Kalai Lam, AU - Figueroa-Balderas,Rosa, AU - Aktas,Hakan, AU - Ashrafi,Hamid, AU - Pons,Clara, AU - Fernández-Muñoz,Rafael, AU - Vicente,Ariel, AU - Lopez-Baltazar,Javier, AU - Barry,Cornelius S, AU - Liu,Yongsheng, AU - Chetelat,Roger, AU - Granell,Antonio, AU - Van Deynze,Allen, AU - Giovannoni,James J, AU - Bennett,Alan B, PY - 2012/6/30/entrez PY - 2012/6/30/pubmed PY - 2012/9/15/medline SP - 1711 EP - 5 JF - Science (New York, N.Y.) JO - Science VL - 336 IS - 6089 N2 - Modern tomato (Solanum lycopersicum) varieties are bred for uniform ripening (u) light green fruit phenotypes to facilitate harvests of evenly ripened fruit. U encodes a Golden 2-like (GLK) transcription factor, SlGLK2, which determines chlorophyll accumulation and distribution in developing fruit. In tomato, two GLKs--SlGLK1 and SlGLK2--are expressed in leaves, but only SlGLK2 is expressed in fruit. Expressing GLKs increased the chlorophyll content of fruit, whereas SlGLK2 suppression recapitulated the u mutant phenotype. GLK overexpression enhanced fruit photosynthesis gene expression and chloroplast development, leading to elevated carbohydrates and carotenoids in ripe fruit. SlGLK2 influences photosynthesis in developing fruit, contributing to mature fruit characteristics and suggesting that selection of u inadvertently compromised ripe fruit quality in exchange for desirable production traits. SN - 1095-9203 UR - https://www.unboundmedicine.com/medline/citation/22745430/Uniform_ripening_encodes_a_Golden_2_like_transcription_factor_regulating_tomato_fruit_chloroplast_development_ L2 - https://www.sciencemag.org/cgi/pmidlookup?view=long&pmid=22745430 DB - PRIME DP - Unbound Medicine ER -