The evolution, function and mechanisms of action for plant defensins (Record no. 55021)

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fixed length control field 02632nam a2200277Ia 4500
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control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625162458.0
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Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-20942
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Title The evolution, function and mechanisms of action for plant defensins
490 0# - SERIES STATEMENT
Volume/sequential designation Seminars in Cell & Developmental Biology, 88, p.107-118, 2019
520 3# - SUMMARY, ETC.
Summary, etc. Plant defensins are an extensive family of small cysteine rich proteins characterised by a conserved cysteine stabilised alpha beta protein fold which resembles the structure of insect and vertebrate defensins. However, secondary structure and disulphide topology indicates two independent superfamilies of defensins with similar structures that have arisen via an extreme case of convergent evolution. Defensins from plants and insects belong to the cis-defensin superfamily whereas mammalian defensins belong to the trans-defensin superfamily. Plant defensins are produced by all species of plants and although the structure is highly conserved, the amino acid sequences are highly variable with the exception of the cysteine residues that form the stabilising disulphide bonds and a few other conserved residues. The majority of plant defensins are components of the plant innate immune system but others have evolved additional functions ranging from roles in sexual reproduction and development to metal tolerance. This review focuses on the antifungal mechanisms of plant defensins. The activity of plant defensins is not limited to plant pathogens and many of the described mechanisms have been elucidated using yeast models. These mechanisms are more complex than simple membrane permeabilisation induced by many small antimicrobial peptides. Common themes that run through the characterised mechanisms are interactions with specific lipids, production of reactive oxygen species and induction of cell wall stress. Links between sequence motifs and functions are highlighted where appropriate. The complexity of the interactions between plant defensins and fungi helps explain why this protein superfamily is ubiquitous in plant innate immunity.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element AMP
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ANTIFUNGAL PEPTIDE
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Topical term or geographic name entry element DEFENSIN
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element INNATE IMMUNITY
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Parisi, K.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Shafee, T. M.
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Personal name Quimbar, P.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Van Der Weerden, N. L.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Bleackley, M. R.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Anderson, M. A.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1VVKObtS31haSPj3H-S-ay-TwT3zoCPoa/view?usp=drivesdk">https://drive.google.com/file/d/1VVKObtS31haSPj3H-S-ay-TwT3zoCPoa/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
Koha item type Documentos solicitados
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-20942 25.06.2025 25.06.2025 Documentos solicitados