Valinomycin: a very effective inhibitor of the cyanide-insensitive alternative pathway in plant mitochondria (Record no. 50558)

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control field MX-MdCICY
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control field 20250625160150.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-16384
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245 10 - TITLE STATEMENT
Title Valinomycin: a very effective inhibitor of the cyanide-insensitive alternative pathway in plant mitochondria
490 0# - SERIES STATEMENT
Volume/sequential designation BBA - Bioenergetics, 1058(2), p.203-208, 1991
520 3# - SUMMARY, ETC.
Summary, etc. The effect of valinomycin on the respiration of potato tuber callus mitochondria (Solanum tuberosum L. cv. Bintje)was investigated. The rate of electron transfer via the cytochrome pathway can be stimulated by abolishing membrane potential with valinomycin. However, valinomycin was found to inhibit CN-resistant respiration in potato tuber callus mitochondria. The inhibition is independent of the substrate used (external NADH, succinate and malate). The inhibition was enhanced by increasing the K+ concentration in the medium from 0 to 125 mM and was also observed when valinomycin was added in the presence of carbonyl cyanide 4-trifluoromethoxyphenylhydrazone (FCCP). In the presence of 125 mM K+ 1 ?M valinomycin inhibited electron flow, mediated by the alternative pathway, for approx. 65 per cent and 5 ?M valinomycin for approx. 85 percent. In mitochondria prepared from sweet potato (Ipomea batatas)valinomycin also inhibited CN-resistant respiration. © 1991 Elsevier Science Publishers B.V. All rights reserved.
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Topical term or geographic name entry element ARTICLE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ELECTRON TRANSPORT
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MEMBRANE POTENTIAL
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MITOCHONDRIAL RESPIRATION
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MITOCHONDRION
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element NONHUMAN
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element POTATO
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PRIORITY JOURNAL
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Van Den Bergen, C.W.M.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Krab, K.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Wagner, A.M.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Van Der Plas, L.H.W.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1gfsz0ukHp-HH--Z9n_W41ByycG--bgjm/view?usp=drivesdk">https://drive.google.com/file/d/1gfsz0ukHp-HH--Z9n_W41ByycG--bgjm/view?usp=drivesdk</a>
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-16384 25.06.2025 25.06.2025 Documentos solicitados