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Article: Heterologous expression of AtPAP2 in transgenic potato influences carbon metabolism and tuber development

TitleHeterologous expression of AtPAP2 in transgenic potato influences carbon metabolism and tuber development
Authors
Zhang, YSun, FFettke, JSchöttler, MARamsden, LFernie, ARLim, BL
KeywordsAtPAP2
Photosynthesis
Potato
Sugar efflux
Tuber yield
Issue Date2014
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/febslet
Citation
FEBS Letters, 2014, v. 588 n. 20, p. 3726-3731 How to Cite?
DOI: http://dx.doi.org/10.1016/j.febslet.2014.08.019
AbstractChanges in carbon flow and sink/source activities can affect floral, architectural, and reproductive traits of plants. In potato, overexpression (OE) of the purple acid phosphatase 2 of Arabidopsis (AtPAP2) resulted in earlier flowering, faster growth rate, increased tubers and tuber starch content, and higher photosynthesis rate. There was a significant change in sucrose, glucose and fructose levels in leaves, phloem and sink biomass of the OE lines, consistent with an increased expression of sucrose transporter 1 (StSUT1). Furthermore, the expression levels and enzyme activity of sucrose-phosphate synthase (SPS) were also significantly increased in the OE lines. These findings strongly suggest that higher carbon supply from the source and improved sink strength can improve potato tuber yield.
Persistent Identifierhttp://hdl.handle.net/10722/217839
ISSN
0014-5793
2021 Impact Factor: 3.864
2020 SCImago Journal Rankings: 1.593
ISI Accession Number ID
WOS:000341993000010

 

DC FieldValueLanguage
dc.contributor.authorZhang, Y-
dc.contributor.authorSun, F-
dc.contributor.authorFettke, J-
dc.contributor.authorSchöttler, MA-
dc.contributor.authorRamsden, L-
dc.contributor.authorFernie, AR-
dc.contributor.authorLim, BL-
dc.date.accessioned2015-09-18T06:14:59Z-
dc.date.available2015-09-18T06:14:59Z-
dc.date.issued2014-
dc.identifier.citationFEBS Letters, 2014, v. 588 n. 20, p. 3726-3731-
dc.identifier.issn0014-5793-
dc.identifier.urihttp://hdl.handle.net/10722/217839-
dc.description.abstractChanges in carbon flow and sink/source activities can affect floral, architectural, and reproductive traits of plants. In potato, overexpression (OE) of the purple acid phosphatase 2 of Arabidopsis (AtPAP2) resulted in earlier flowering, faster growth rate, increased tubers and tuber starch content, and higher photosynthesis rate. There was a significant change in sucrose, glucose and fructose levels in leaves, phloem and sink biomass of the OE lines, consistent with an increased expression of sucrose transporter 1 (StSUT1). Furthermore, the expression levels and enzyme activity of sucrose-phosphate synthase (SPS) were also significantly increased in the OE lines. These findings strongly suggest that higher carbon supply from the source and improved sink strength can improve potato tuber yield.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/febslet-
dc.relation.ispartofFEBS Letters-
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in FEBS Letters. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in FEBS Letters, 2014, v. 588 n. 20, p. 3726-3731. DOI: 10.1016/j.febslet.2014.08.019-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectAtPAP2-
dc.subjectPhotosynthesis-
dc.subjectPotato-
dc.subjectSugar efflux-
dc.subjectTuber yield-
dc.titleHeterologous expression of AtPAP2 in transgenic potato influences carbon metabolism and tuber development-
dc.typeArticle-
dc.identifier.emailRamsden, L: lramsden@hkucc.hku.hk-
dc.identifier.emailLim, BL: bllim@hkucc.hku.hk-
dc.identifier.authorityRamsden, L=rp01484-
dc.identifier.authorityLim, BL=rp00744-
dc.description.naturepostprint-
dc.identifier.doi10.1016/j.febslet.2014.08.019-
dc.identifier.pmid25173632-
dc.identifier.scopuseid_2-s2.0-84907274757-
dc.identifier.hkuros251326-
dc.identifier.volume588-
dc.identifier.issue20-
dc.identifier.spage3726-
dc.identifier.epage3731-
dc.identifier.isiWOS:000341993000010-
dc.publisher.placeNetherlands-
dc.identifier.issnl0014-5793-

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