Tetranactin, a New Miticidal Antibiotic. IV. Some Properties of Tetranactin1

Hirano, Seiji; Sagawa, Takao; Takahashi, Hironobu; Tanaka, Nobuhiko; Oishi, Hideo; Ando, Kiyoshi; Togashi, Kunihuko

doi:10.1093/jee/66.2.349

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Structural analysis of macrotetralide antibiotic mixtures using collision-induced dissociation mass spectrometry

Vincenti¹,

Guglielmetti²,

Andriollo³

et al. 1990

Biol. Mass Spectrom.

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Collision-induced dissociation of protonated molecular ions in a mixture of macrotetralide antibiotics has been used to determine the sample make-up, as well as the structures of the components in the mixture. Upon 3 keV gaseous collisional activation the near-tetrameric structure of the macrotetralides is opened and can then fragment further to give oligomeric ions through consecutive losses of monomeric units. The fragment ions generated indicate which monomers are present and also their sequence in the cyclic assembly. The fragmentation mechanism involves cleavage of an ester bond to give an undissociated carboxyl group. This cleavage may take place remote from the charge site.

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Structural analysis of macrotetralide antibiotic mixtures using collision-induced dissociation mass spectrometry

Vincenti¹,

Guglielmetti²,

Andriollo³

et al. 1990

Biol. Mass Spectrom.

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Pesticidal activity of virginiamycins S1 and M1

et al. 1992

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Virginiamycins S1 and M1, two major components of the antibacterial antibiotic complex produced by Streptomyces virginiae and used as an animal growth promoter in animal husbandry, exhibited a selective insecticidal activity against Leptinotarsa decemlineata comparable with the effect of the organophosphorus pesticide Metathion. An acaricidal effect of the two compounds on eggs of Tetranychus urticae was also observed.

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How to Discover New Antibiotics for Insecticidal Use

Ando¹

1983

Natural Products

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Tetranactin, a New Miticidal Antibiotic. IV. Some Properties of Tetranactin1

Cited by 5 publications

References 0 publications

Structural analysis of macrotetralide antibiotic mixtures using collision-induced dissociation mass spectrometry

Structural analysis of macrotetralide antibiotic mixtures using collision-induced dissociation mass spectrometry

Pesticidal activity of virginiamycins S1 and M1

How to Discover New Antibiotics for Insecticidal Use

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