Expression of Two Endo-1,4-β-glucanase Genes During Fruit Ripening and Softening of Two Pear Varieties

Yang, Shaolan; Zhang, Xiaofei; Zhang, Xinfu; Dang, Ruihong; Zhang, Xianan; Wang, Ran

doi:10.3136/fstr.22.91

Cited by 7 publications

(5 citation statements)

References 37 publications

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“…In fact, in closed flower buds and during anthesis, genes encoding expansins and XETs, which are involved in cell wall loosening, are expressed in carnation (Harada et al , 2011) and Eustoma (Ochiai et al , 2013). Moreover, endo-1,4-β-glucanases are closely associated with cell elongation and fruit ripening (Yang et al , 2016), pectate lyases are involved in pollen development and/or function and fruit softening (Palusa et al , 2007), and fasciclin-like arabinogalactan proteins were recently proposed to play an important role in the plant sexual reproductive process (Pereira et al , 2014). The downregulated groups were dominated by XET genes, which previously have been reported to be expressed throughout all stages of cell wall disassembly, and during abscission (Singh et al , 2011; Singh et al , 2013).…”

Section: Resultsmentioning

confidence: 99%

Spatial and temporal transcriptome changes occurring during flower opening and senescence of the ephemeral hibiscus flower,Hibiscus rosa-sinensis

Trivellini

Cocetta

Hunter

et al. 2016

EXBOTJ

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Section: Resultsmentioning

confidence: 99%

Spatial and temporal transcriptome changes occurring during flower opening and senescence of the ephemeral hibiscus flower,Hibiscus rosa-sinensis

Trivellini

Cocetta

Hunter

et al. 2016

EXBOTJ

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“…Glucanase is one of the key cell wall hydrolytic enzymes, which can promote the random hydrolysis of β-1,4-glycosidic bonds to cleave cellulose into smaller fragments and loosen the cell wall [83]. Moreover, increased gene expression of glucanase has been associated with fruit ripening in bananas, pears, strawberries, and grapes [84][85][86][87][88]. The plant hormone, abscisic acid (ABA), plays a crucial role in fruit ripening and responses to environmental stresses [89].…”

Section: Discussionmentioning

confidence: 99%

“…The genetic map of the female parent (MH) contained 935 bin markers (12,949 SNPs), spanning 1494.56 cM, with an average inter-marker distance of 1.60 cM (Table S2). LG16 (86) and LG6 (14) had the most and least markers, respectively; the largest gap was on LG3 (46.52 cM) and the smallest gap was on LG19 (2.89 cM). The "Gap < 5 cM" percentage for each LG ranged from 95.24% (LG8) to 100% (LG6, LG7, LG15, LG16, and LG19).…”

Section: Construction Of a High-density Genetic Mapmentioning

confidence: 98%

Construction of a High-Density Genetic Map and Mapping of Firmness in Grapes (Vitis vinifera L.) Based on Whole-Genome Resequencing

Jiang

Fan

Zhang

et al. 2020

IJMS

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Berry firmness is one of the most important quality traits in table grapes. The underlying molecular and genetic mechanisms for berry firmness remain unclear. We constructed a high-density genetic map based on whole-genome resequencing to identify loci associated with berry firmness. The genetic map had 19 linkage groups, including 1662 bin markers (26,039 SNPs), covering 1463.38 cM, and the average inter-marker distance was 0.88 cM. An analysis of berry firmness in the F1 population and both parents for three consecutive years revealed continuous variability in F1, with a distribution close to the normal distribution. Based on the genetic map and phenotypic data, three potentially significant quantitative trait loci (QTLs) related to berry firmness were identified by composite interval mapping. The contribution rate of each QTL ranged from 21.5% to 28.6%. We identified four candidate genes associated with grape firmness, which are related to endoglucanase, abscisic acid (ABA), and transcription factors. A qRT-PCR analysis revealed that the expression of abscisic-aldehyde oxidase-like gene (VIT_18s0041g02410) and endoglucanase 3 gene (VIT_18s0089g00210) in Muscat Hamburg was higher than in Crimson Seedless at the veraison stage, which was consistent with that of parent berry firmness. These results confirmed that VIT_18s0041g02410 and VIT_18s0089g00210 are candidate genes associated with berry firmness.

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“…However, in this study, NAA treatment did not significantly affect PpPG genes at the fruit expansion stage, which may be due to the specific expression of PpPG genes during fruit ripening and softening. Endo-1,4-β-D-glucanase (EG) is a key enzyme that catalyzes the hydrolysis of cellulose, and the enzyme activity of EG is closely related to the fruit ripening of white pear [ 40 ]. Interestingly, the expression levels of 4 PpEG were significantly reduced after NAA treatment.…”

Section: Discussionmentioning

confidence: 99%

Exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple-hormone signaling

Zhang,

Su,

Luo

et al. 2023

BMC Plant Biol

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Background Fruit expansion stage is crucial to fruit yield and quality formation, and auxin plays a significant role by mediating multi-hormone signals during fruit expansion. However, till now, it is still unclear of the molecular regulatory network during auxin-mediated peach fruit expansion. Results Here, exogenous NAA application markedly increased IAA content and drastically decreased ABA content at the fruit expansion stage. Correspondingly, NAA mainly induced the auxin biosynthesis gene (1 PpYUCCA) and early auxin-responsive genes (7PpIAA, 3 PpGH3, and 14 PpSAUR); while NAA down-regulated ABA biosynthesis genes (2 PpNCED, 1 PpABA3, and 1 PpAAO3). In addition, many DEGs involved in other plant hormone biosynthesis and signal transduction were significantly enriched after NAA treatment, including 7 JA, 7 CTK, 6 ETH, and 3 GA. Furthermore, we also found that NAA treatment down-regulated most of genes involved in the growth and development of peach fruit, including the cell wall metabolism-related genes (PpEG), sucrose metabolism-related genes (PpSPS), phenylalanine metabolism-related genes (PpPAL, Pp4CL, and PpHCT), and transcription factors (PpNAC, PpMADS-box, PpDof, PpSBP, and PpHB). Conclusion Overall, NAA treatment at the fruit expansion stage could inhibit some metabolism processes involved in the related genes in the growth and development of peach fruit by regulating multiple-hormone signaling networks. These results help reveal the short-term regulatory mechanism of auxin at the fruit expansion stage and provide new insights into the multi-hormone cascade regulatory network of fruit growth and development.

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Expression of Two Endo-1,4-β-glucanase Genes During Fruit Ripening and Softening of Two Pear Varieties

Abstract: Endo-1,4-β-glucanase (EG) is involved in the metabolism

Cited by 7 publications

References 37 publications

Spatial and temporal transcriptome changes occurring during flower opening and senescence of the ephemeral hibiscus flower,Hibiscus rosa-sinensis

Spatial and temporal transcriptome changes occurring during flower opening and senescence of the ephemeral hibiscus flower,Hibiscus rosa-sinensis

Construction of a High-Density Genetic Map and Mapping of Firmness in Grapes (Vitis vinifera L.) Based on Whole-Genome Resequencing

Exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple-hormone signaling

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