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The proanthocyanidin‐specific transcription factor MdMYBPA1 initiates anthocyanin synthesis under low‐temperature conditions in red‐fleshed apples
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Nan Wang Changzhi Qu Shenghui Jiang Zijing Chen Haifeng Xu Hongcheng Fang Mengyu Su Jing Zhang Yicheng Wang Wenjun Liu Zongying Zhang Ninglin Lu Xuesen Chen 《The Plant journal : for cell and molecular biology》2018,96(1):39-55
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The bHLH transcription factor MdbHLH3 promotes anthocyanin accumulation and fruit colouration in response to low temperature in apples 总被引:1,自引:0,他引:1
XING‐BIN XIE SHEN LI RUI‐FEN ZHANG JING ZHAO YING‐CHUN CHEN QIANG ZHAO YU‐XIN YAO CHUN‐XIANG YOU XIAN‐SHENG ZHANG YU‐JIN HAO 《Plant, cell & environment》2012,35(11):1884-1897
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Alcohol acyl transferase 1 links two distinct volatile pathways that produce esters and phenylpropenes in apple fruit
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Yar‐Khing Yauk Edwige J.F. Souleyre Adam J. Matich Xiuyin Chen Mindy Y. Wang Blue Plunkett Andrew P. Dare Richard V. Espley Sumathi Tomes David Chagné Ross G. Atkinson 《The Plant journal : for cell and molecular biology》2017,91(2):292-305
Fruit accumulate a diverse set of volatiles including esters and phenylpropenes. Volatile esters are synthesised via fatty acid degradation or from amino acid precursors, with the final step being catalysed by alcohol acyl transferases (AATs). Phenylpropenes are produced as a side branch of the general phenylpropanoid pathway. Major quantitative trait loci (QTLs) on apple (Malus × domestica) linkage group (LG)2 for production of the phenylpropene estragole and volatile esters (including 2‐methylbutyl acetate and hexyl acetate) both co‐located with the MdAAT1 gene. MdAAT1 has previously been shown to be required for volatile ester production in apple (Plant J., 2014, https://doi.org/10.1111/tpj.12518 ), and here we show it is also required to produce p‐hydroxycinnamyl acetates that serve as substrates for a bifunctional chavicol/eugenol synthase (MdoPhR5) in ripe apple fruit. Fruit from transgenic ‘Royal Gala’ MdAAT1 knockdown lines produced significantly reduced phenylpropene levels, whilst manipulation of the phenylpropanoid pathway using MdCHS (chalcone synthase) knockout and MdMYB10 over‐expression lines increased phenylpropene production. Transient expression of MdAAT1, MdoPhR5 and MdoOMT1 (O‐methyltransferase) genes reconstituted the apple pathway to estragole production in tobacco. AATs from ripe strawberry (SAAT1) and tomato (SlAAT1) fruit can also utilise p‐coumaryl and coniferyl alcohols, indicating that ripening‐related AATs are likely to link volatile ester and phenylpropene production in many different fruit. 相似文献
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