Mailing Address: lurildo R. Saraiva • Avenida Prof. Moraes Rego, SN – Hospital das Clínicas – Cidade Universitária – 50670-901 – Recife, PE. Brazil E-mail: [email protected] Manuscript received April 18, 2006; revised manuscript received May 18, 2006; accepted May 18, 2006.

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Four new dipeptidyl nikkomycins of the Z- and the X-series with a variation in the amino acid moiety of the molecule were isolated from the mutant Streptomyces tendae 901/395 and characterized. Nikkomycins Kz and Kx contain 2-amino-4-hydroxy-4-(2-pyridyl)butyric acid, and nikkomycins Oz and Ox 2-amino-4-hydroxy-4-(5-hydroxy-2-pyridyl)butyric acid. In contrast to nikkomycins Z and X, nikkomycins...

3 Running head: Spatiotemporal tuning dynamics in owl wulst 4 5 Authors: 6 Lucas Pinto and Jerome Baron 7 Department of Physiology and Biophysics, Institute of Biological Sciences, Federal 8 University of Minas Gerais 9 Avenida Antonio Carlos, 6627. Belo Horizonte, MG, Brazil. 31270-901 10 11 §Corresponding author: 12 Jerome Baron 13 Departamento de Fisiologia e Biofísica 14 Instituto de Ciênci...

Brucella abortus in cattle 2 3 Running title: NRAMP1 3’UTR polymorphisms and brucellosis in cattle 4 5 Tatiane A. Paixão, Fernando P. Poester, Alcina V. Carvalho Neta, Álan M. Borges, 6 Andrey P. Lage, and Renato L. Santos* 7 8 1 Departamento de Clínica e Cirurgia Veterinária, 2 Departamento de Medicina Veterinária 9 Preventiva. Escola de Veterinária, Universidade Federal de Minas Gerais, 31270...