2005
DOI: 10.1111/j.1439-0264.2005.00591.x
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Effect of Larval Food Amount on Ovariole Development in Queens of Trigona spinipes (Hymenoptera, Apinae)

Abstract: Caste determination in Trigona spinipes Fabricius (Hymenoptera, Apidae, Meliponini) is trophogenic. Larvae that eat about 360 microl of food become queens, while those who consume 36 microl develop into workers. We studied the effect of larval nutrition on the number and length of ovarioles and on ovarian development in fifth instar larvae, white eyed, pink eyed and black-eyed pupae as well as newly emerged adults. All larvae have four ovarioles per ovary, while in queen pupae this number ranged from 8 to 15. … Show more

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Cited by 19 publications
(10 citation statements)
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“…Having more, short ovarioles may allow them to ''dump'' and resorb eggs more quickly and be able to fly. Queens of the divergently specialized stingless bees have significantly fewer ovarioles (8-15 per ovary (77) ) contained in an elongated, greatly expanded abdomen. Unlike honey bee queens, once they begin egg laying, they never again fly.…”
Section: Hormonal Signalingmentioning
confidence: 99%
“…Having more, short ovarioles may allow them to ''dump'' and resorb eggs more quickly and be able to fly. Queens of the divergently specialized stingless bees have significantly fewer ovarioles (8-15 per ovary (77) ) contained in an elongated, greatly expanded abdomen. Unlike honey bee queens, once they begin egg laying, they never again fly.…”
Section: Hormonal Signalingmentioning
confidence: 99%
“…Ao fi nal do ciclo de divisões, uma das células (geralmente aquela com maior número de pontes citoplasmáticas) se diferencia no ovócito e as demais formam as células nutridoras. Assim, o ovócito e suas células nutridoras associadas têm origem a partir da mesma ovogônia primordial (BU-NING, 1994;LISBOA et al, 2005). Quase ao mesmo tempo, as células pré-foliculares também passam por ciclos de divisão e se associam ao ovócito e às células nutridoras, revestindo-os e formando as câ-maras ovocítica e nutridora (Figuras 17.1C, 17.1D).…”
Section: Sistema Reprodutor Femininounclassified
“…Gutzeit and Huebner (1986) had already demonstrated the participation of microfilaments in the transportation of macromolecules synthesized by nurse cells to the oocyte. Therefore, when the clone cells later differentiate into oocyte and nurse cells and the oocyte begins to mature, the organization of the cytoskeleton must allows the polarized transport of compounds from the nurse cells to the oocyte cell through the ring canals (Cassidy and King, 1972;Cooley and Theurkauf, 1994;Cruz-Landim, 1978;Gutzeit et al, 1993;Staurengo-da-Cunha, 1988;Theurkauf et al, 1992;Lisboa et al, 2005). Accordingly, in the bee germline cysts, the bridges interconnecting the proliferating germ cells are reinforced by microfilaments and microtubules occupy the open spaces of the bridges (Bilinsky and Jaglarz, 1999).…”
Section: Introductionmentioning
confidence: 98%