2014
DOI: 10.1098/rspb.2014.1079
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Vampire bats exhibit evolutionary reduction of bitter taste receptor genes common to other bats

Abstract: The bitter taste serves as an important natural defence against the ingestion of poisonous foods and is thus believed to be indispensable in animals. However, vampire bats are obligate blood feeders that show a reduced behavioural response towards bitter-tasting compounds. To test whether bitter taste receptor genes (T2Rs) have been relaxed from selective constraint in vampire bats, we sampled all three vampire bat species and 11 non-vampire bats, and sequenced nine one-to-one orthologous T2Rs that are assumed… Show more

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Cited by 46 publications
(50 citation statements)
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“…In concert with ecological diversification, noctilionoids evolved highly diverse sensory modalities, including infrared thermal radiation detection in vampire bats, high duty cycle (HDC) echolocation in the Pteronotus parnellii species complex (family Mormoopidae), and inferred ultraviolet (UV) perception in some nectar‐feeding lineages (Gracheva et al., 2011; Smotherman & Guillen‐Servent, 2008; Winter, Lopez, & Helversen, 2003). However, most previous research has focused on the relationship between noctilionoid diet and morphology (Arbour, Curtis, & Santana, 2019; Dumont et al., 2012; Rojas et al., 2011), with analyses linking foraging modes and molecular adaptations of sensory systems in this clade having only recently started (Hayden et al., 2014; Hong & Zhao, 2014; Sadier et al., 2018; Yohe et al., 2017).…”
Section: Introductionmentioning
confidence: 99%
“…In concert with ecological diversification, noctilionoids evolved highly diverse sensory modalities, including infrared thermal radiation detection in vampire bats, high duty cycle (HDC) echolocation in the Pteronotus parnellii species complex (family Mormoopidae), and inferred ultraviolet (UV) perception in some nectar‐feeding lineages (Gracheva et al., 2011; Smotherman & Guillen‐Servent, 2008; Winter, Lopez, & Helversen, 2003). However, most previous research has focused on the relationship between noctilionoid diet and morphology (Arbour, Curtis, & Santana, 2019; Dumont et al., 2012; Rojas et al., 2011), with analyses linking foraging modes and molecular adaptations of sensory systems in this clade having only recently started (Hayden et al., 2014; Hong & Zhao, 2014; Sadier et al., 2018; Yohe et al., 2017).…”
Section: Introductionmentioning
confidence: 99%
“…Niche specialization was accompanied by a suite of molecular modifications leading to major shifts in mechanisms underlying sensory perception. The diverse ecological niches bats occupy have been associated with many adaptations, including variation in their chemosensory receptors [2,3], along with contrasting signatures of selection in auditory genes (reviewed in [1]). Although impossible in complete darkness, vision is important for bats and may complement other sensory modalities, such as echolocation, under typical nocturnal light conditions [4].…”
Section: Introductionmentioning
confidence: 99%
“…To obtain the MHCI repertoire for the target species, each genome sequence was analyzed by using an automatic pipeline developed in our laboratory, as described elsewhere (Feng, Zheng, Rossiter, Wang, & Zhao, ; Hong & Zhao, ; Jiao, Wang, Zhang, Jiang, & Zhao, ; Wang & Zhao, ). Briefly, we used full‐length MHCI protein sequences from the human, horse, and bats as queries in TBLASTN searches against each genome assembly, with a cutoff E‐value of 10 −10 .…”
Section: Methodsmentioning
confidence: 99%
“…To obtain the MHCI repertoire for the target species, each genome sequence was analyzed by using an automatic pipeline developed in our laboratory, as described elsewhere (Feng, Zheng, Rossiter, Wang, & Zhao, 2014;Hong & Zhao, 2014;Jiao, Wang, Zhang, Jiang, & Zhao, 2018;Wang & Zhao, 2015…”
Section: Identification Of Mhc Class I Genesmentioning
confidence: 99%