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Segura, Ana and Moreno, Manuel and Molina Fernández, Antonio and García Olmedo, Francisco (1998). Novel defensin subfamily from spinach (Spinacia oleracea). "Febs Letters", v. 435 (n. 2-3); pp. 159-162. ISSN 0014-5793. https://doi.org/10.1016/S0014-5793(98)01060-6.
Title: | Novel defensin subfamily from spinach (Spinacia oleracea) |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Febs Letters |
Date: | September 1998 |
ISSN: | 0014-5793 |
Volume: | 435 |
Subjects: | |
Freetext Keywords: | Antimicrobial peptide; Innate immunity; Plant defense; Plant defensin; Plant pathogen; Spinach |
Faculty: | E.T.S.I. Agrónomos (UPM) [antigua denominación] |
Department: | Biotecnologia [hasta 2014] |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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Antimicrobial peptides (So-D1-7) were isolated from a crude cell wall preparation from spinach leaves (Spinacia oleracea cv. Matador) and, judged from their amino acid sequences, six of them (So-D2-7) represented a novel structural subfamily of plant defensins (group IV). Group-IV defensins were also functionally distinct from those of groups I–III. They were active at concentrations <20 μM against Gram-positive (Clavibacter michiganensis) and Gram-negative (Ralstonia solanacearum) bacterial pathogens, as well as against fungi, such as Fusarium culmorum, F. solani, Bipolaris maydis, and Colletotrichum lagenarium. Fungal inhibition occurred without hyphal branching. Group-IV defensins were preferentially distributed in the epidermal cell layer of leaves and in the subepidermal region of stems.
Item ID: | 5836 |
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DC Identifier: | https://oa.upm.es/5836/ |
OAI Identifier: | oai:oa.upm.es:5836 |
DOI: | 10.1016/S0014-5793(98)01060-6 |
Official URL: | http://www.sciencedirect.com/science?_ob=ArticleUR... |
Deposited by: | Memoria Investigacion |
Deposited on: | 01 Feb 2011 11:37 |
Last Modified: | 20 Apr 2016 14:32 |