1996
DOI: 10.1590/s0074-02761996000100023
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Ultrastructure of cell renewal in the midgut of termites

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Cited by 8 publications
(5 citation statements)
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“…In A. mellifera queens, the regenerative cells in the nest periphery are narrowed and tall, whereas the central cells are globular, similar to those described in other bees [41,42], ants [43] and Hemiptera [27]. In adult insects, it has been claimed that the regenerative cells do not divide, and when they onset to differentiate push the digestive cells above them, which are released into the midgut lumen [44]. When these differentiating cells reach the midgut of the lumen, they are columnar-shaped and develop the brush border [18,[44][45][46].…”
Section: Discussionsupporting
confidence: 63%
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“…In A. mellifera queens, the regenerative cells in the nest periphery are narrowed and tall, whereas the central cells are globular, similar to those described in other bees [41,42], ants [43] and Hemiptera [27]. In adult insects, it has been claimed that the regenerative cells do not divide, and when they onset to differentiate push the digestive cells above them, which are released into the midgut lumen [44]. When these differentiating cells reach the midgut of the lumen, they are columnar-shaped and develop the brush border [18,[44][45][46].…”
Section: Discussionsupporting
confidence: 63%
“…In adult insects, it has been claimed that the regenerative cells do not divide, and when they onset to differentiate push the digestive cells above them, which are released into the midgut lumen [44]. When these differentiating cells reach the midgut of the lumen, they are columnar-shaped and develop the brush border [18,[44][45][46].…”
Section: Discussionmentioning
confidence: 99%
“…As in other insects, it is common the occurrence of a huge amount of nests of regenerative cells at the midgut of N. rotundatus; in this species, the number of mitotic figures was expressive inside the nests. Expressive mitotic activity was also observed in other species of termite (Cruz-Landim & Costa-Leonardo 1996).…”
Section: Discussionmentioning
confidence: 53%
“…Mitotic division of regenerative cells in mature insects happens in few groups such Orthoptera (Zudaire et al 2004) and Heteroptera (Endo1983). In Hymenoptera, the mitosis of regenerative cells was observed in queens (França et al 2006), but not in workers Cruz-Landim & Costa-Leonardo 1996). According to Cruz-Landim & Costa-Leonardo (1996), the occurrence of a considerable number mitosis at the midgut termite workers not must be considered an exception, as this caste (in Isoptera) is not comprised by mature individualswhich are the flying forms -but by immature ones.…”
Section: Discussionmentioning
confidence: 99%
“…A observação de células em picnose nuclear indica a possibilidade do mecanismo de desintoxicação, pois esta é uma etapa no processo de morte celular programada, na qual há a condensação da cromatina nuclear (Donan & Cotter, 2008). A eliminação de células do intestino médio, em abelhas saudáveis, é uma estratégia natural para a manutenção do epitélio, na qual células digestivas danificadas pelos estresses químicos e físicos do processo de digestão, são eliminadas para o lúmen do órgão, sendo substituídas por novas células digestivas a partir da diferenciação de células regenerativas presentes em ninhos na região basal do epitélio (Cruz-Landim & Costa-Leonardo, 1996).…”
Section: Discussionunclassified