Expression and function of the genes encoding knickkopf during the integument formation in Apis mellifera: characterization of the isoforms KNK1, KNK2 and KNK3 - Paula, Leonardo Nascimento de; Depintor, Thiago da Silva; Freitas, Flávia Cristina de Paula; Lopes, Tiago Falcon; Bitondi, Márcia Maria Gentile (Brazilian Congress of Genetics, 2019)