The phytotoxins of Mycosphaerella fijiensis, the causative agent of Black Sigatoka disease of bananas and plantains (Record no. 44911)

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control field MX-MdCICY
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control field 20250625140636.0
040 ## - CATALOGING SOURCE
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-10679
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245 10 - TITLE STATEMENT
Title The phytotoxins of Mycosphaerella fijiensis, the causative agent of Black Sigatoka disease of bananas and plantains
490 0# - SERIES STATEMENT
Volume/sequential designation Cellular and Molecular Life Science, 47(8), p.853-859, 1991
520 3# - SUMMARY, ETC.
Summary, etc. Black Sigatoka is the most costly to control disease of bananas and plantains in the world. Currently, a worldwide search is underway either to find or to produce cultivars that are disease-resistant or -tolerant. Phytotoxins isolated from the pathogen might facilitate the discovery of such cultivars. Several aromatic compounds from liquid cultures of Myco~phaerella fijiensis, the causal agent of Black Sigatoka disease of bananas and plantains, have been isolated. The most abundant and phytotoxic of these compounds is 2,4,8-trihydroxytetralone, which induces necrotic lesions at 5 p.g/5 ~tl in less than 12 h on sensitive cultivars of bananas. This compound exhibits host-selectivity that mimics that of the pathogen. Other phytotoxins isolated from this fungus, in lesser amounts, were juglone, the novel compound 2-carboxy-3-hydroxycinnamic acid, isoochracinic acid and 4-hydroxyscytalone. Some of the phytotoxins isolated are melanin shunt pathway metabolites, which makes this fungus unique among plant pathogens.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element EPIDEMIC
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Topical term or geographic name entry element JUGLONE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element 2,4,8-TRIHYDROXYTETRALONE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MELANIN SHUNT PATHWAY
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PLANT PATHOGEN
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SIGATOKA
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Stierle, A.A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Upadhyay, R.
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Personal name Hershenhorn, J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Strobel, G.A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Molina, G.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1Hcx7A4_tWHg4JEND6065-McCjhztFwC-/view?usp=drivesdk">https://drive.google.com/file/d/1Hcx7A4_tWHg4JEND6065-McCjhztFwC-/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-10679 25.06.2025 25.06.2025 Documentos solicitados