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Identification of Shaker K + channel family members in Rosaceae and a functional exploration of PbrKAT1.

التفاصيل البيبلوغرافية
العنوان: Identification of Shaker K + channel family members in Rosaceae and a functional exploration of PbrKAT1.
المؤلفون: Chen G; Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China., Chen Q; Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China., Qi K; Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China., Xie Z; Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China., Yin H; Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China., Wang P; Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China., Wang R; Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China., Huang Z; Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China., Zhang S; Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China., Wang L; Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China. lwang@njau.edu.cn., Wu J; Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China. juyouwu@njau.edu.cn.
المصدر: Planta [Planta] 2019 Dec; Vol. 250 (6), pp. 1911-1925. Date of Electronic Publication: 2019 Sep 16.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Springer-Verlag [etc.] Country of Publication: Germany NLM ID: 1250576 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1432-2048 (Electronic) Linking ISSN: 00320935 NLM ISO Abbreviation: Planta Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Berlin, New York, Springer-Verlag [etc.]
مواضيع طبية MeSH: Plant Proteins/*metabolism , Pyrus/*metabolism , Rosaceae/*metabolism , Shaker Superfamily of Potassium Channels/*metabolism, Animals ; Animals, Genetically Modified ; Arabidopsis/genetics ; Arabidopsis/metabolism ; Chromosomes, Plant/genetics ; Cloning, Molecular ; Evolution, Molecular ; Oocytes/metabolism ; Patch-Clamp Techniques ; Phylogeny ; Plant Proteins/physiology ; Polymerase Chain Reaction ; Pyrus/physiology ; Rosaceae/genetics ; Rosaceae/physiology ; Shaker Superfamily of Potassium Channels/physiology ; Synteny/genetics ; Xenopus laevis
مستخلص: Main Conclusion: PbrKAT1, which is inhibited by external Na + in Xenopus laevis oocytes, is characterized as encoding a typical inward rectifying channel that is mainly expressed in guard cells. Potassium (K + ) is the most abundant cation in plant cells necessary for plant growth and development. The uptake and transport of K + are mainly completed through transporters and channels, and the Shaker family genes are the most studied K + channels in plants. However, there is far less information about this family in Rosaceae species. We performed a genome-wide analysis and identified Shaker K + channel gene family members in Rosaceae. We cloned and characterized a Shaker K + channel KAT1 from pear (Pyrus × bretschneideri). In total, 36 Shaker K + channel genes were identified from Rosaceae species and were classified into five subgroups based on structural characteristics and a phylogenetic analysis. Whole-genome and dispersed duplications were the primary forces underlying Shaker K + channel gene family expansion in Rosaceae, and purifying selection played a key role in the evolution of Shaker K + channel genes. β-Glucuronidase and qRT-PCR assays revealed that PbrKAT1 was mainly expressed in leaves, especially in guard cells. PbrKAT1 displayed a typical inward-rectifying current when expressed in Xenopus laevis oocytes. The activity of PbrKAT1 was inhibited by external sodium ions, possibly playing an important role in the regulation of salt tolerance in pear. These results provide valuable information on evolution, expression and functions of the Shaker K + channel gene family in plants.
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معلومات مُعتمدة: KJQN201926 the Fundamental Research Funds for the Central Universities; 31801842 National Natural Science Foundation of China; 31772256 National Natural Science Foundation of China; 2018YFD0201400 the National Key R&D Program of China
فهرسة مساهمة: Keywords: Na+ inhibition; Pear; Potassium; Stomata; Voltage-clamp technique
المشرفين على المادة: 0 (Plant Proteins)
0 (Shaker Superfamily of Potassium Channels)
تواريخ الأحداث: Date Created: 20190917 Date Completed: 20200309 Latest Revision: 20220411
رمز التحديث: 20231215
DOI: 10.1007/s00425-019-03275-3
PMID: 31523779
قاعدة البيانات: MEDLINE
الوصف
تدمد:1432-2048
DOI:10.1007/s00425-019-03275-3