Nuclear activity in Apis mellifera L. (Hymenoptera, Apidae) queen ovary cells demonstrated by silver nitrate impregnation and ultrastructure

Cruz-Landim, Carminda da; Patrício, K.

doi:10.1590/s1519-69842010000500023

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2021

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“…The ovary of the honey bee queen is polytrophic (multiple trophocytes per follicle) and meroistic (produce nutritive trophocytes and ova). Within each follicle, the trophocytes (nurse cells) (Figure 3A-4) are attached by intercellular bridges and connected to the oocyte by the trophic stalk (a narrow opening) (Figure 3A-3) which allows the transport of nutrients, RNA, and ribonucleoproteins from the trophocytes to the ovum during maturation (Figure 3A-1) as described in previous studies (Berger & da Cruz-Landim, 2009;Bili nski & Jaglarz, 1999;Cruz-Landim & Patr ıcio, 2010;Snodgrass, 1985;Tanaka et al, 2006). After transferring their cytoplasmic contents to the developing ovum, the trophocytes undergo programmed cell death (apoptosis) (Figure 3A-7) as found in earlier studies (Mpakou et al, 2006;Patr ıcio & Cruz-Landim, 2008).…”

Section: Ovariesmentioning

confidence: 72%

“…Previously, normal macroscopic and microscopic anatomy of the entire reproductive tract of mated honey bee queens was described and illustrated by diagrams (Snodgrass, 1985), and certain segments of the reproductive tract were well-characterized by electron microscopy (Bili nski & Jaglarz, 1999;Cruz-Landim & Patr ıcio, 2010;Gutzeit et al, 1993;Patr ıcio & Cruz-Landim, 2002 or light microscopy (Camargo & Mello, 1970;Gutzeit et al, 1993;Stell, 2012). However, neither of these individual studies encompasses the entire reproductive tract in sufficient detail to provide a comprehensive reference for histopathology.…”

Section: Introductionmentioning

confidence: 99%

Histomorphological description of the reproductive system in mated honey bee queens

Kozii

Wood

Koziy

et al. 2021

Journal of Apicultural Research

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The accelerating decline of pollinator populations has become increasingly concerning in the last two decades. Honey bees are economically important pollinators and a model species to evaluate pollinator health. The decline in queen quality is one of the frequently reported causes associated with honey bee losses worldwide. Histopathology is an essential tool used for diagnostics and research in mammalian species and may provide insight into the histomorphological basis of a decline in queen quality. Thus, the purpose of this study was to summarize the previously described normal morphology of the entire reproductive tract of mated honey bee queens and to illustrate it by high quality photomicrographs. Accordingly, reproductive tracts of one-year old mated honey bee queens were processed for histology, serially sectioned, stained with hematoxylin and eosin, and used for the capture of high quality histological photomicrographs of the entire reproductive tract. This study illustrates the microscopic morphology of the queen reproductive tract which may facilitate further investigations of the cause and pathogenesis of the recent decline in reproductive fitness of honey bees using histopathology.

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Nuclear activity in Apis mellifera L. (Hymenoptera, Apidae) queen ovary cells demonstrated by silver nitrate impregnation and ultrastructure

Cited by 1 publication

References 6 publications

Histomorphological description of the reproductive system in mated honey bee queens

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