Variation in cucumber (Cucumis sativus L.) fruit size and shape results from multiple components acting pre-anthesis and post-pollination

Colle, Marivi; Weng, Yiqun; Kang, Yunyan; Ophir, Ron; Sherman, Amir; Grumet, Rebecca

doi:10.1007/s00425-017-2721-9

Cited by 47 publications

(38 citation statements)

References 67 publications

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“…Frequency of cell division is critical to fruit morphogenesis in a variety species such as Tomato [30][31][32][33], melon [37], pumpkin [35], cucumber [36][37][38][39]. In present study, we found that the fruit tip shape in 186 cucumbers inbred lines also were a complex trait and exhibit significant variations with angle range from 99 to 173° and fruit tip index range from 1.4 to 3.5.…”

Section: Orientation Of Cell Division Is Critical To Fruit Tip Develosupporting

confidence: 47%

Diversity of cucumber fruit tip is attributed to the epistatic QTL pairs Ft4.1 and Ft6.1

Zhu¹,

Zhang²,

Liang³

et al. 2020

Preprint

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BackgroundThe shape of fruit tip is critical to appearance quality and commodity value of cucumber (Cucumis sativus L.). Although diversity of cucumber fruit tip is rich, the genetic basis and molecular mechanism were poorly understood. In this study, the morphological and histological features of fruit tip were investigated to accurately evaluate the diversity in cucumber germplasm. QTLs of fruit tip were genetically mapped by using F 2 and RILs populations. Candidate genes of major-effect QTLs were predicted. ResultsThe appearance of cucumber fruit tip was generally divided into sharp, oval-round and blunt-round categories, but morphological measurement showed that the angle of fruit tip was continuously distribute in range of 99~173° and the fruit tip index (the ratio of diameter and length of tips) was in range of 1.4~3.5. Histological analysis suggested that the different structures of fruit tips were owed to the different distribution of cell number in vertical and horizontal direction, rather than difference in cell size. In total, thirty fruit tip related QTLs were identified from two mapping populations including a F 2 population derived from EC1 (blunt round tip) × 8419s-1 (sharp tip) and a RILs population derived from IL52 (oval round tip) × CCMC (sharp tip). Two major-effect QTLs were detected, of which Ft4.

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Section: Orientation Of Cell Division Is Critical To Fruit Tip Develosupporting

confidence: 47%

Diversity of cucumber fruit tip is attributed to the epistatic QTL pairs Ft4.1 and Ft6.1

Zhu¹,

Zhang²,

Liang³

et al. 2020

Preprint

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“…6a ; Supplementary Table 7 ). In cucumber ( Cucumis sativus ), a species closely related to melon, the fruit shape QTL fs3.2 interval contains CsOFP15 , a gene that is lower expressed in cucumber varieties with an elongated fruit 19 . This is expected if CsOFP15 controls cucumber fruit shape.…”

Section: Resultsmentioning

confidence: 99%

A common genetic mechanism underlies morphological diversity in fruits and other plant organs

et al. 2018

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Shapes of edible plant organs vary dramatically among and within crop plants. To explain and ultimately employ this variation towards crop improvement, we determined the genetic, molecular and cellular bases of fruit shape diversity in tomato. Through positional cloning, protein interaction studies, and genome editing, we report that OVATE Family Proteins and TONNEAU1 Recruiting Motif proteins regulate cell division patterns in ovary development to alter final fruit shape. The physical interactions between the members of these two families are necessary for dynamic relocalization of the protein complexes to different cellular compartments when expressed in tobacco leaf cells. Together with data from other domesticated crops and model plant species, the protein interaction studies provide possible mechanistic insights into the regulation of morphological variation in plants and a framework that may apply to organ growth in all plant species.

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“…Cucumbers (Cucumis sativus L.), harvested immaturely and consumed fresh or processed as pickles, is an important vegetable crop cultivated worldwide [1]. Fruit size and shape of cucumbers are usually determined by fruit length (FL), diameter (FD), or the length-by-diameter ratio (Fruit shape index, FSI) [2,3]. Fruit size is a crucial domestication trait in cucumber [4], and it displays tremendous variation, from 5 to 60 cm in length [5,6].…”

Section: Introductionmentioning

confidence: 99%

Cucumber Fruit Size and Shape Variations Explored from the Aspects of Morphology, Histology, and Endogenous Hormones

Liu

Pan

Liu

et al. 2020

Plants

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Fruit size and shape are important qualities and yield traits in cucumber (Cucumis sativus L.), but the factors that influence fruit size and shape remain to be explored. In this study, we investigated the dynamic changes of fruit size and shape from the aspects of morphology, cellular levels and endogenous hormones for nine typical cucumber inbred lines. The results show that fruit length had a strong positive correlation to the cell number in the longitudinal section of fruit throughout the four stages of 0, 6, 12, and 30 DAA (days after anthesis). However, the significant negative correlations were found between fruit length and the fruit cell size at 12 and 30 DAA. Furthermore, fruit diameter was positively correlated to the cell number in the cross section at all the investigated fruit growth stages. The indole-3-acetic acid (IAA) content showed significant positive correlations to the fruit length at all fruit growth stages of −6, −3, 0, 3, 6, 9 and 12 DAA, but IAA content and fruit diameter showed significant negative correlations for all the stages except for at −6 DAA. The trans-zeatin riboside (tZR), zeatin (ZT), gibberellic acid (GA3) and jasmonic acid (JA) content had a positive or negative correlation with fruit length or diameter only at certain stages. Neither fruit length nor diameter had significant correlations to abscisic acid (ABA) content. These results indicate that variations in fruit size and shape of different cucumber inbred lines mainly result from the differences in fruit cell number and endogenous IAA content. The present work is the first to propose cucumber fruit size and shape changes from the combined aspects of morphology, cellular levels, and endogenous hormones.

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Variation in cucumber (Cucumis sativus L.) fruit size and shape results from multiple components acting pre-anthesis and post-pollination

Cited by 47 publications

References 67 publications

Diversity of cucumber fruit tip is attributed to the epistatic QTL pairs Ft4.1 and Ft6.1

Diversity of cucumber fruit tip is attributed to the epistatic QTL pairs Ft4.1 and Ft6.1

A common genetic mechanism underlies morphological diversity in fruits and other plant organs

Cucumber Fruit Size and Shape Variations Explored from the Aspects of Morphology, Histology, and Endogenous Hormones

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