A leaf shape mutant provides insight into PINOID Serine/Threonine Kinase function in cucumber (<i>Cucumis sativus</i> L.)

Song, Mengfei; Cheng, Feng; Wang, Jing; Wei, Qingzhen; Fu, Wenyuan; Yu, Xiaqing; Li, Ji; Chen, Jinfeng; Lou, Qunfeng

doi:10.1111/jipb.12739

Cited by 17 publications

(13 citation statements)

References 53 publications

(64 reference statements)

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“…Wild type cucumber leaves are flat and have seven lobes with toothed or smooth margin. Three non-lobe, round leaf mutants, rl-1 , rl-2 and rl have been identified, which are all due to allelic mutations in the PINOID ( CsPID ) gene encoding a regulator for the auxin polar transporter PIN (PIN-FORMED) 11,12 .…”

Section: Genes and Qtl For Whole Plant Vegetative Growth And Developmentmentioning

confidence: 99%

Molecularly tagged genes and quantitative trait loci in cucumber with recommendations for QTL nomenclature

Wang

et al. 2020

Hortic Res

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Cucumber, Cucumis sativus L. (2n = 2x = 14), is an important vegetable crop worldwide. It was the first specialty crop with a publicly available draft genome. Its relatively small, diploid genome, short life cycle, and self-compatible mating system offers advantages for genetic studies. In recent years, significant progress has been made in molecular mapping, and identification of genes and QTL responsible for key phenotypic traits, but a systematic review of the work is lacking. Here, we conducted an extensive literature review on mutants, genes and QTL that have been molecularly mapped or characterized in cucumber. We documented 81 simply inherited trait genes or major-effect QTL that have been cloned or fine mapped. For each gene, detailed information was compiled including chromosome locations, allelic variants and associated polymorphisms, predicted functions, and diagnostic markers that could be used for marker-assisted selection in cucumber breeding. We also documented 322 QTL for 42 quantitative traits, including 109 for disease resistances against seven pathogens. By alignment of these QTL on the latest version of cucumber draft genomes, consensus QTL across multiple studies were inferred, which provided insights into heritable correlations among different traits. Through collaborative efforts among public and private cucumber researchers, we identified 130 quantitative traits and developed a set of recommendations for QTL nomenclature in cucumber. This is the first attempt to systematically summarize, analyze and inventory cucumber mutants, cloned or mapped genes and QTL, which should be a useful resource for the cucurbit research community.

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Section: Genes and Qtl For Whole Plant Vegetative Growth And Developmentmentioning

confidence: 99%

Molecularly tagged genes and quantitative trait loci in cucumber with recommendations for QTL nomenclature

Wang

et al. 2020

Hortic Res

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“…Cucumber is a typical dicotyledonous plant species that produces simple leaves; in this case, a single leaf blade is attached to the node by a petiole 34 , 36 . A typical leaf of cucumber is palmate, with five primary veins extending from the petiole at the leaf base to the leaf margins to form lobed leaf (Fig.…”

Section: Genetic Regulation Of Leaf Morphology In Cucumbermentioning

confidence: 99%

“…3B ). Fine mapping data showed that the causal gene rl encodes a homolog of the protein kinase PINOID in Arabidopsis (CsPID) 36 – 38 . PID is involved in the fine-tuning of polar auxin transport through phosphorylation of PIN-FORMED (PIN) proteins in Arabidopsis 39 .…”

Section: Genetic Regulation Of Leaf Morphology In Cucumbermentioning

confidence: 99%

Genetic regulation of shoot architecture in cucumber

2021

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Cucumber (Cucumis sativus L.) is an important vegetable crop species with great economic value. Shoot architecture determines the visual appearance of plants and has a strong impact on crop management and yield. Unlike most model plant species, cucumber undergoes vegetative growth and reproductive growth simultaneously, in which leaves are produced from the shoot apical meristem and flowers are generated from leaf axils, during the majority of its life, a feature representative of the Cucurbitaceae family. Despite substantial advances achieved in understanding the regulation of plant form in Arabidopsis thaliana, rice, and maize, our understanding of the mechanisms controlling shoot architecture in Cucurbitaceae crop species is still limited. In this review, we focus on recent progress on elucidating the genetic regulatory pathways underlying the determinant/indeterminant growth habit, leaf shape, branch outgrowth, tendril identity, and vine length determination in cucumber. We also discuss the potential of applying biotechnology tools and resources for the generation of ideal plant types with desired architectural features to improve cucumber productivity and cultivation efficiency.

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“…In an exciting advance in the study of leaf shape, a new paper in JIPB by Song et al (2019) describes the characterization of the cucumber ( Cucumis sativus L.) round leaf ( rl ) mutant, which produces rounded leaves (Figure 1) and abnormal, female‐sterile flowers. The rl plants also have abnormal ovaries and roots with more lateral roots.…”

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confidence: 99%

“… The rl phenotype In contrast to the normal, pentagonal shapes of leaves produced by the wild‐type (WT) cucumber plant (left), the rl plant (right) produces rounded, heart‐shaped leaves (white arrows). Figure from Song et al (2019), figure 1A.…”

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confidence: 99%