The Hot and the Colorful: Understanding the Metabolism, Genetics and Evolution of Consumer Preferred Metabolic Traits in Pepper and Related Species

IF 6 2区生物学 Q1 PLANT SCIENCES

Critical Reviews in Plant Sciences Pub Date : 2019-11-02 DOI:10.1080/07352689.2019.1682791

F. Scossa, Federico Roda, Takayuki Tohge, M. Georgiev, A. Fernie

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引用次数: 19

Abstract

Abstract Recent advances in genomics and metabolomics have made the study of specialized metabolism far more tractable than it was previously. Here we evaluate specialized metabolite pathways of Capsicum spp. (peppers), focusing mainly on carotenoids, flavonoids, and capsaicinoids as examples of classes of secondary metabolites. To place these data in the context of the evolution of metabolic pathways, we compare the extent of genomic and chemical diversity in several species of the nightshades (Solanaceae), the family to which pepper belongs. We further discuss the genetic mechanisms known to underly metabolic diversity prior to carrying out a detailed genomic study of the enzymes active in the pathways influencing fruit color and pungency. Using large-scale comparative analyses across 25 sequenced plant genomes, we identify orthologs of structural metabolic genes and discuss the data in terms of variation of gene family size and its impact on the diversity of secondary metabolites. Abbreviations BCAA: branched-chain amino acid; K-Pg: Cretaceous-Paleogene; ROS: reactive oxygen species; TE: transposable element; WGD: whole genome duplication

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辣与艳：了解辣椒及相关品种消费者偏好代谢性状的代谢、遗传和进化

摘要基因组学和代谢组学的最新进展使专门代谢的研究比以前更容易处理。在这里，我们评估了辣椒的特殊代谢途径。（辣椒），主要关注类胡萝卜素、类黄酮和辣椒素作为次级代谢产物的例子。为了将这些数据放在代谢途径进化的背景下，我们比较了胡椒科茄科几种茄属植物的基因组和化学多样性。在对影响水果颜色和辛辣度的途径中活性的酶进行详细的基因组研究之前，我们进一步讨论了已知的代谢多样性的遗传机制。通过对25个已测序的植物基因组进行大规模比较分析，我们确定了结构代谢基因的直向同源物，并讨论了基因家族大小的变化及其对次生代谢产物多样性的影响。缩写BCAA：支链氨基酸；K-Pg：白垩纪-古近系；ROS：活性氧；TE：转座元件；WGD：全基因组复制

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来源期刊

Critical Reviews in Plant Sciences 生物-植物科学

CiteScore

12.90

自引率

1.40%

发文量

审稿时长

>12 weeks

期刊介绍： Critical Reviews in Plant Sciences focuses on presenting in-depth and up-to-date reviews of timely and/or cutting-edge subjects in the broad discipline of plant science, ranging from molecular biology/biochemistry through the areas of cell biology, plant pathology and physiology, genetics, classical botany, and ecology, to practical agricultural applications. Articles in the journal provide an up-to-date literature base for researchers and students, pointing the way towards future research needs. The journal is also a significant source of credible, objective information to aid decision makers at all levels.