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A Brassica napus mRNA encoding a protein homologous to phospholipid transfer proteins, is expressed specifically in the tapetum and developing microspores

Foster, Gary D. and Robinson, Susan W. and Blundell, Robert P. and Roberts, Michael and Hodge, Rachel and Draper, John and Scott, Rod (1992) A Brassica napus mRNA encoding a protein homologous to phospholipid transfer proteins, is expressed specifically in the tapetum and developing microspores. Plant Science, 84 (2). pp. 187-192. ISSN 0168-9452

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Abstract

The E2 cDNA was isolated by differential screening of a Brassica napus library made from anthers of 1.8–4 mm in length. Northern gel and RNA dot blot analysis revealed that the E2 cDNA hybridised to a 0.7-kb mRNA transcript in RNA extracted from anthers and extruded immature microspores. High expression is limited to the microspore development phase. In situ hybridisation indicated that E2 transcript is also expressed within the tapetal cells. The sequence of 658 nucleotides was determined from clone E2B containing one major open reading frame, encoding a putative protein of Mr 12.5 kDa. This protein is cysteine rich, encodes a potential signal sequence and shows high homology with plant phospholipid transfer proteins.

Item Type: Article
Journal or Publication Title: Plant Science
Uncontrolled Keywords: Brassica napus ; tapetum ; microspore
Subjects:
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 49868
Deposited By: ep_importer_pure
Deposited On: 20 Sep 2011 10:01
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 19:33
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/49868

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