Morphological adaptations during development of the kidneys in Vampire bats

Ribeiro, Susana Puga; Linhares, Bárbara Silva; Sarandy, Mariáurea Matias; Fonseca, Cláudio César; Puga, Luciano Carlos Heringer Porcaro; Gonzaga, W. G.; Sartori, Sirlene Souza Rodrigues; Matta, Sérgio Luís Pinto da; Freitas, Mariella Bontempo

doi:10.1016/j.zool.2021.125980

Cited by 3 publications

(2 citation statements)

References 18 publications

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“…Studies have shown that many systems in animals have morphological and physiological adaptations to different diets. Although many studies have been conducted on the adaptation of the digestive system to different feeding habits in bats, there are a limited number of studies on the excretory system (Gadelha‐Alves et al, 2008; Linhares et al, 2021; Lu & Bleier, 1981; Machado‐Santos et al, 2009; Ribeiro et al, 2022; Scillitani et al, 2007; Studier et al, 1983). This study was carried out to describe the histological, histochemical, and structural features of M. myotis kidneys.…”

Section: Introductionmentioning

confidence: 99%

“…In addition, a study examining the evolutionary relationships between diet and kidney morphology in 26 species of new world bats showed that diet affected the relative amounts of the renal cortex and medulla (Casotti et al, 2006). Morphological adaptations of the kidneys in large fruit‐eating and vampire bats have also been investigated (Linhares et al, 2021; Ribeiro et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

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Renal adaptation in relation to insectivorous feeding habit in the greater mouse‐eared bat, Myotis myotis (Chiroptera: Vespertilionidae)

Paksuz

2022

The Anatomical Record

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We examined the histological structure of the kidneys of Myotis myotis to better understand their structural adaptations to dietary habits. M. myotis is an insectivorous bat species that belongs to the family Vespertilionidae. The kidneys of M. myotis are unilobular, bean‐shaped, and surrounded by a renal capsule. The two parts are distinguished by a thin cortex and a thicker medulla. Renal corpuscles consist of the glomerulus and Bowman's capsule. The proximal tubule consists of cubic cells with a well‐developed brush border, whereas the distal tubule is lined with a simple cubic epithelium without a brush border. The Henle's loop, located in the medullary region, was composed of flat cells. The microvilli of proximal tubule epithelial cells and basal lamina of proximal and distal tubule epithelial cells were periodic acid Schiff (PAS)‐positive. The PAS‐positive reaction of the microvilli of proximal tubular epithelial cells and basal lamina of proximal and distal tubule epithelial cells is due to the presence of glycogen, which may be used as an energy substrate during absorption. The presence of acidic glycoconjugates in the papilla was demonstrated by Alcian blue (pH 2.5)‐PAS staining. According to the result of silver impregnation staining, it was determined that reticular fibers form a dense fibrillary network in the kidney parenchymal tissue. Reticular fibers are responsible for demarcating and supporting the borders of cells by forming a thin network of fibrils beneath the basal lamina of the cells. Structural features in the kidney, such as a thin cortex and thicker medulla, long conical papilla, and division of the thick medulla into inner and outer regions, of M. myotis may be an adaptation to produce concentrated urine, thereby reducing water loss associated with insectivorous feeding habits.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Renal adaptation in relation to insectivorous feeding habit in the greater mouse‐eared bat, Myotis myotis (Chiroptera: Vespertilionidae)

Paksuz

2022

The Anatomical Record

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The evolution of sanguivory in vampire bats: origins and convergences

Riskin

Carter

2023

Can. J. Zool.

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Blood-feeding (sanguivory) has evolved more than two dozen times among birds, fishes, insects, arachnids, molluscs, crustaceans, and annelids; however, among mammals, it is restricted to the vampire bats. Here, the authors revisit the question of how it evolved in that group. Evidence to date suggests that the ancestors of phyllostomids were insectivorous, and that carnivory, omnivory, and nectarivory evolved among phyllostomids after vampire bats diverged. Frugivory likely also evolved after vampire bats diverged, but the phylogeny is ambiguous on that point. However, vampire bats lack any genetic evidence of a frugivorous past, and the behavioural progression from frugivory to sanguivory is difficult to envision. Thus, the most parsimonious scenario is that sanguivory evolved in an insectivorous ancestor to vampire bats via ectoparasite-eating, wound-feeding, or some combination of the two—all feeding habits found among blood-feeding birds today. Comparing vampire bats with other sanguivores, the authors find several remarkable examples of convergence. Further, it was found that blood-feeding has been ca. 50 times more likely to evolve in a vertebrate lineage than in an invertebrate one. The authors hypothesize that this difference exists because vertebrates are more likely than invertebrates to have the biochemical necessities required to assimilate the components of vertebrate blood.

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Descriptive and Comparative Histology of the Urinary System of the Hematophagous Bats Desmodus rotundus and Diphylla ecaudata

Ramírez-Muñoz,

Jardon-Xicotencatl,

Olave-Leyva

et al. 2024

OJVM

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Desmodus rotundus and Diphylla ecaudata, both of which are mammals of the order Chiroptera, Desmodontidae family, their diet consisting exclusively of blood. D. rotundus is the main vector and transmitter of the rabies virus, which affects human beings as well as several livestock species so the study of this bat species is of high importance within the fields of animal agriculture and public health. The present study describes and compares the histologic characteristics of the urinary system of two hematophagous bat species. A total of 5 bats from each species were captured in the municipalities of Progreso de Obregón, Hidalgo (D. rotundus), and Huayacocotla, Veracruz (D. ecaudata). Organs belonging to the urinary system were extracted: kidneys, ureters, urinary bladder, and urethra; samples were fixed using 10% formalin and processed by the paraffin embedding technique, obtaining sections of 5 µm thickness, which in turn were stained using hematoxylin-eosin (H-E) and Gomori trichrome (GT) stains. From the obtained histologic preparations, a descriptive and comparative analysis of the structural organography of the urinary system of both species was made, and no noteworthy histological differences between samples were noted. The present research is intended to provide a framework for future studies of these species' currently understudied microscopic anatomy.

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Morphological adaptations during development of the kidneys in Vampire bats

Cited by 3 publications

References 18 publications

Renal adaptation in relation to insectivorous feeding habit in the greater mouse‐eared bat, Myotis myotis (Chiroptera: Vespertilionidae)

Renal adaptation in relation to insectivorous feeding habit in the greater mouse‐eared bat, Myotis myotis (Chiroptera: Vespertilionidae)

The evolution of sanguivory in vampire bats: origins and convergences

Descriptive and Comparative Histology of the Urinary System of the Hematophagous Bats <i>Desmodus</i> <i>rotundus</i> and <i>Diphylla</i> <i>ecaudata</i>

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