Pectin-Degrading Enzymes during Soursop (Annona muricata L.) Fruit Ripening: A Bioinformatics Approach

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Changes in quality and gene transcript levels of soursop (Annona muricata L.) fruits during ripening

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Mexican Journal of Biotechnology (2023)

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Characterization of pectin methylesterase gene family and its possible role in juice sac granulation in navel orange (Citrus sinensis Osbeck)

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Summary: This study provides a comprehensive analysis of the PME gene family in citrus, revealing the biological functions and regulation patterns of CsPME genes during juice sac granulation. These findings are important for further understanding the development and ripening of citrus fruits.

BMC GENOMICS (2022)

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Transcriptome Analysis of Soursop (Annona muricata L.) Fruit under Postharvest Storage Identifies Genes Families Involved in Ripening

Yolotzin Apatzingan Palomino-Hermosillo et al.

Summary: In this study, transcriptome analysis was conducted on soursop fruits to identify key gene families involved in ripening under postharvest storage conditions. The analysis revealed that pectin-related genes showed the highest logarithmic fold change on Day 9 at 15 ± 2 degrees C. Enrichment analysis identified several significant GO terms and KEGG pathways related to metabolic processes and plant hormone signaling.

PLANTS-BASEL (2022)

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Article Horticulture

Genome-Wide Identification and Expression Analysis of the PME and PMEI Gene Families in Diospyros kaki: A Bioinformatics Study

Qi Zhang et al.

Summary: Pectins are important components of plant cell walls. This study identified multiple putative DkPMEs and DkPMEIs in the persimmon genome and classified them into different clades based on phylogenetic analysis. These genes were found to be highly conserved within the same clades, indicating similar functions. Furthermore, the distribution of these genes on chromosomes was uneven. Expression analysis showed diverse expression patterns within the same clade, suggesting diverse functions. Protein-protein interaction network analysis revealed core nodes involved in carbohydrate metabolism, stress responses, and sugar signaling. This study provides important insights into the functional characteristics, evolutionary relationship, and role of these gene families in persimmon fruit development.

HORTICULTURAE (2022)

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Article Plant Sciences

Genome-wide identification of PME genes, evolution and expression analyses in soybean (Glycine max L.)

Liang Wang et al.

Summary: In this study, a total of 127 GmPME genes were identified and characterized in soybean, with phylogenetic analysis classifying them into four clades. The gene family expansion analysis indicated that segmental duplication played a major role in acquiring novel GmPME genes. Synteny and evolution analyses showed strong purifying selective pressures on the GmPME gene family. The study also highlighted the broad participation of GmPME genes in distinct biological processes and their potential roles in regulating soybean flower bud development and seed germination.

BMC PLANT BIOLOGY (2021)

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Article Biochemistry & Molecular Biology

Genome-Wide Identification and Characterization of Polygalacturonase Gene Family in Maize (Zea mays L.)

Lu Lu et al.

Summary: This study identified 55 PG family genes from the maize genome, revealing their evolutionary relationship and expression patterns. ZmPGs were grouped into six Clades, with highly conserved gene structures suggesting potential conservation of function. 18 ZmPGs were highly expressed in maize anther, showing possible functional divergence among ZmPGs.

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES (2021)

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Article Biochemistry & Molecular Biology

Genome-Wide Identification of the Xyloglucan endotransglucosylase/Hydrolase (XTH) and Polygalacturonase (PG) Genes and Characterization of Their Role in Fruit Softening of Sweet Cherry

Zefeng Zhai et al.

Summary: The study revealed that fruit firmness in sweet cherry is related to cell wall-modifying enzymes such as Xyloglucan endotransglycosylase/hydrolase (XTH) and polygalacturonases (PGs). Among them, PavXTH14, PavXTH15, and PavPG38 are likely to participate in fruit softening, with increased expression during fruit development and ripening. Phytohormones ABA, MeJA, and ethephon were found to elevate the expression of PavPG38 and PavXTH15, promoting fruit softening.

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES (2021)

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Article Plant Sciences

Characterization of the pectin methylesterase inhibitor gene family in Rosaceae and role of PbrPMEI23/39/41 in methylesterified pectin distribution in pear pollen tube

Xiaoxuan Zhu et al.

Summary: This study characterized the pectin methylesterase inhibitor gene family in seven Rosaceae species and identified three genes that regulate pollen tube growth in pear. Quantitative real-time PCR analysis revealed that these genes are increasingly expressed during pear pollen tube growth. The results suggest that pectin methylesterase inhibitor regulates pollen tube growth by changing the distribution of methylesterified pectin in the apex.

PLANTA (2021)

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Article Plant Sciences

Fruit softening: evidence for pectate lyase action in vivo in date (Phoenix dactylifera) and rosaceous fruit cell walls

Thurayya Z. S. Al Hinai et al.

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ANNALS OF BOTANY (2021)

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Review Plant Sciences

Recent Advances in Understanding the Roles of Pectin as an Active Participant in Plant Signaling Networks

Yesol Shin et al.

Summary: Pectin, as an abundant cell wall polysaccharide, plays essential roles in cell wall remodeling with specificity and plasticity across different cell types and environmental conditions. Recent studies have revealed that pectin modifications are not only final products of internal pathways, but also critical components of intercellular communication.

PLANTS-BASEL (2021)

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Article Biochemistry & Molecular Biology

MEGA11 Molecular Evolutionary Genetics Analysis Version 11

Koichiro Tamura et al.

Summary: MEGA software, a mature tool for computational molecular evolution, has been enhanced with new additions for building timetrees of species, pathogens, and gene families using rapid relaxed-clock methods. These additions include methods for estimating divergence times, confidence intervals, and new options for tagging sequences with spatiotemporal sampling information. The enhancements aim to improve user experience, result quality, and the pace of biological discovery.

MOLECULAR BIOLOGY AND EVOLUTION (2021)

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Article Plant Sciences