liu.seSearch for publications in DiVA
Change search
ReferencesLink to record
Permanent link

Direct link
Regulation of non-specific lipid transfer proteins in abiotically stressed Physcomitrella patens
Linköping University, Department of Physics, Chemistry and Biology, Molecular genetics .
2011 (English)Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
Abstract [en]

Non-specific lipid transfer proteins is a large and diverse protein family found in plants, with roles in biological systems ranging from long distance signaling to plant pathogen defense. Little is known about the roles of nsLTPs, but recent studies have cast some light on the issue, among other things proposing that they may be involved in the cutice formation on land-living liverworts, mosses and non-seedbearing plants. Increased cuticle formation is thought to be a part of a plants defense system against stress. In this experiment, the expression of nsLTPs type G in the moss Physcomitrella patens was examined by qRT-PCR on cDNA synthesized from already existing mRNA samples from moss under different abiotic stresses. The different stresses were UV-light, salt (ion toxicity), heavy metal, cold drought, plant hormone and osmosis. House-keeping gene P. patens beta-tubuline 1 was used as reference and relative expression analysis was performed. The study showed a general down-regulation of PpLTPg's in the abiotically stressed samples, and the possible coupled regulatory response of PpLTPg3 and PpLTPg5. The results imply that the PpLTPg's in Physcomitrella patens could be connected to biological processes that cease during stress, or that they worl through negative feedback to support plant defense against stress.

Place, publisher, year, edition, pages
2011. , 19 p.
Keyword [en]
Abiotic stres, cuticle, non-specific lipid transfer protein, Physcomitrella patens, qRT-PCR
National Category
Biochemistry and Molecular Biology
URN: urn:nbn:se:liu:diva-69438ISRN: LiTH-IFM- EX--11/2507--SEOAI: diva2:427471
Subject / course
Microbiology and Molecular Genetics
Life Earth Science
Available from: 2011-06-30 Created: 2011-06-28 Last updated: 2011-06-30Bibliographically approved

Open Access in DiVA

fulltext(677 kB)482 downloads
File information
File name FULLTEXT03.pdfFile size 677 kBChecksum SHA-512
Type fulltextMimetype application/pdf

By organisation
Molecular genetics
Biochemistry and Molecular Biology

Search outside of DiVA

GoogleGoogle Scholar
Total: 482 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Total: 115 hits
ReferencesLink to record
Permanent link

Direct link