Zobrazeno 1 - 10
of 36
pro vyhledávání: '"GIAN GUALBERTO GALLO"'
Antibiotics A21459 A and B, New Inhibitors of Bacterial Protein Synthesis. II. Structure Elucidation
Autor:
Károly Vékey, L. F. Zerilli, Pietro Ferrari, Enrico Selva, Galimberti M, Gian Gualberto Gallo
Publikováno v:
The Journal of Antibiotics. 49:150-154
The structures of the antibiotics, active against a few Gram-negative bacteria and Clostridium difficile, were determined on the basis of physicochemical analyses on the intact molecules and on the acid hydrolysate of A21459 A. FAB-MS and 1H and 13C
Publikováno v:
Organic Mass Spectrometry. 27:219-225
GE2270A is a novel antibiotic active against Gram-positive bacteria and anaerobes. Its structure originates from a peptidic backbone, the amino acids of which have been modified to produce a macrocycle and a side-chain. It contains a heterocyclic chr
Publikováno v:
Archiv der Pharmazie. 325:385-388
The enantiomers of iopanoic acid were purified by crystallization and characterized by optical rotation, DSC, IR spectra, X-ray powder diffraction, and chiral HPLC. (-R)-enantiomer: [α]20D = −6.1°, mp. = 165.4°C; (+S)-enantiomer: [α]20D = + 6.2
Mass spectrometric techniques for structure and novelty determination of kirromycin-like antibiotics
Publikováno v:
Biological Mass Spectrometry. 21:51-59
Direct liquid introduction negative ion mass spectra have been studied for some kirromycin class antibiotics. A scheme for the interpretation of the mass spectral fragmentation patterns is presented and shown to be useful for structure elucidation an
Autor:
Margherita Zanol, L. F. Zerilli, Pietro Ferrari, Angelo Borghi, Gian Carlo Lancini, Gian Gualberto Gallo
Publikováno v:
The Journal of Antibiotics. 44:1444-1451
The single components of the teicoplanin complex, glycopeptide antibiotics active against Gram-positive bacteria, can be converted in the corresponding de-mannosyl derivatives by cultures of Nocardia orientalis NRRL 2450 or Streptomyces candidus NRRL
Autor:
JÜRGEN KETTENRING, LUIGI COLOMBO, PIETRO FERRARI, PAOLO TAVECCHIA, MARINO NEBULONI, KÁROLY VÉREY, GIAN GUALBERTO GALLO, ENRICO SELVA
Publikováno v:
The Journal of Antibiotics. 44:702-715
GE2270 A, produced by Planobispora rosea ATCC 53773, inhibits Gram-positive bacteria and anaerobes by acting on the bacterial protein synthesis. The structure has been determined by physico-chemical methods applied to the intact molecule and to the m
Publikováno v:
The Journal of Antibiotics. 43:1359-1366
SB22484, active against Neisseriae gonorrhoeae and Neisseriae meningitidis, is a complex of four factors, designed 1 through 4, which from two pairs of isomers, 1 and 3, and 2 and 4. Factors 1 and 3 account for 65% of the complex, factor 3 being the
Publikováno v:
Antibiotics ISBN: 9781475792027
The search for new antibiotics, fifty years after the introduction of penicillin into clinical use, continues to be very active. In fact, there are still microorganisms against which the available drugs are not effective, and the spread of resistant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb08edb7d8a875b1756de1034bcad5b8
https://doi.org/10.1007/978-1-4757-9200-3_7
https://doi.org/10.1007/978-1-4757-9200-3_7
Publikováno v:
Antibiotics ISBN: 9781475792027
Springer Series in Microbiology ISBN: 9781461256762
Springer Series in Microbiology ISBN: 9781461256762
What is the “natural” function of antibiotics, or, in other terms, what “evolutionary advantage” is conferred on a microbial strain by its ability to produce an antibiotic substance? Why is the ability to produce antibiotics more common in ce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3edf9345edbf4055a7a23d5e81712fac
https://doi.org/10.1007/978-1-4757-9200-3_9
https://doi.org/10.1007/978-1-4757-9200-3_9
Publikováno v:
Antibiotics ISBN: 9781475792027
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0100cd9ad22531f966e4d73edf530b2c
https://doi.org/10.1007/978-1-4757-9200-3_1
https://doi.org/10.1007/978-1-4757-9200-3_1