A molecular perspective on mammalian evolution from the gene encoding interphotoreceptor retinoid binding protein, with convincing evidence for bat monophyly

Stanhope, Michael J.; Czelusniak, John; Si, Jing-Sheng; Nickerson, John M.; Goodman, Morris

doi:10.1016/1055-7903(92)90026-d

Cited by 159 publications

(125 citation statements)

References 19 publications

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“…Molecular data validate the conclusion that the order Chiroptera is monophyletic (12,13). There are also unexpected results from molecular studies.…”

supporting

confidence: 61%

Integrated fossil and molecular data reconstruct bat echolocation

Springer

Teeling²,

Madsen³

et al. 2001

Proc. Natl. Acad. Sci. U.S.A.

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236

157

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Molecular and morphological data have important roles in illuminating evolutionary history. DNA data often yield well resolved phylogenies for living taxa, but are generally unattainable for fossils. A distinct advantage of morphology is that some types of morphological data may be collected for extinct and extant taxa. Fossils provide a unique window on evolutionary history and may preserve combinations of primitive and derived characters that are not found in extant taxa. Given their unique character complexes, fossils are critical in documenting sequences of character transformation over geologic time and may elucidate otherwise ambiguous patterns of evolution that are not revealed by molecular data alone. Here, we employ a methodological approach that allows for the integration of molecular and paleontological data in deciphering one of the most innovative features in the evolutionary history of mammals-laryngeal echolocation in bats. Molecular data alone, including an expanded data set that includes new sequences for the A2AB gene, suggest that microbats are paraphyletic but do not resolve whether laryngeal echolocation evolved independently in different microbat lineages or evolved in the common ancestor of bats and was subsequently lost in megabats. When scaffolds from molecular phylogenies are incorporated into parsimony analyses of morphological characters, including morphological characters for the Eocene taxa Icaronycteris, Archaeonycteris, Hassianycteris, and Palaeochiropteryx, the resulting trees suggest that laryngeal echolocation evolved in the common ancestor of fossil and extant bats and was subsequently lost in megabats. Molecular dating suggests that crown-group bats last shared a common ancestor 52 to 54 million years ago.

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“…Molecular data validate the conclusion that the order Chiroptera is monophyletic (12,13). There are also unexpected results from molecular studies.…”

supporting

confidence: 61%

Integrated fossil and molecular data reconstruct bat echolocation

Springer

Teeling²,

Madsen³

et al. 2001

Proc. Natl. Acad. Sci. U.S.A.

Self Cite

236

157

View full text Add to dashboard Cite

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“…The complete 12S rRNA was amplified using the PCR primers R1 and S2 (Sourrouille et al, 1995). Finally, the complete IRBP gene was amplified using the PCR primers I1, J1, I2, and J2 (Stanhope et al, 1992). Amplification reactions were carried out in 2Â 50-ll volumes including 25 ll of each 2 lM primer, 20 ll of 1 mM dNTP, 10 ll of 10Â reaction buffer, 10 ll of purified water, and 0:2 ll of 5U=ll Promega taq DNA polymerase.…”

Section: Methodsmentioning

confidence: 99%

Phylogeny of the genus Apodemus with a special emphasis on the subgenus Sylvaemus using the nuclear IRBP gene and two mitochondrial markers: cytochrome b and 12S rRNA

Michaux

Chevret

Filippucci

et al. 2002

Molecular Phylogenetics and Evolution

161

123

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Phylogenetic relationships among 17 extant species of Murinae, with special reference to the genus Apodemus, were investigated using sequence data from the nuclear protein-coding gene IRBP (15 species) and the two mitochondrial genes cytochrome b and 12S rRNA (17 species). The analysis of the three genes does not resolve the relationships between Mus, Apodemus, and Rattus but separates Micromys from these three genera. The analysis of the two mitochondrial regions supported an association between Apodemus and Tokudaia and indicated that these two genera are more closely related to Mus than to Rattus or Micromys. Within Apodemus, the mitochondrial data sets indicated that 8 of the 9 species analyzed can be sorted into two main groups: an Apodemus group, with A. agrarius, semotus, and peninsulae, and a Sylvaemus group, with uralensis, flavicollis, alpicola, sylvaticus, and hermonensis. The position of Apodemus mystacinus is ambiguous and might be either included in Sylvaemus or considered a distinct subgenus, Karstomys, more closely related to Sylvaemus than to Apodemus. Estimation of the divergence time for these taxa suggests a separation between 7 and 8 My ago for the three groups (mystacinus and the two subgenera Apodemus and Sylvaemus). Within each subgenus, divergence times are between 5.4 and 6 My for Apodemus and between 2.2 and 3.5 My for Sylvaemus and mystacinus. Ó

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“…Sequences for Elephantulus brachyrhynchus were obtained only for mitochondrial mtRNA because the degraded quality of the tissue sample did not allow amplification of the nuclear loci. Gene amplification and sequencing were performed as described (5,7,8). Sequence alignments were constructed according to the procedure suggested by Cassens et al (9) and alignmentambiguous positions were identified by using the software SOAP V1.1 (10).…”

Section: Methodsmentioning

confidence: 99%

The Sahara as a vicariant agent, and the role of Miocene climatic events, in the diversification of the mammalian order Macroscelidea (elephant shrews)

Douady

Catzeflis

Raman

et al. 2003

Proc. Natl. Acad. Sci. U.S.A.

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146

129

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Although the Sahara is a major geographical feature of the African continent, its role in the diversification of animal species is not well understood. We present here a molecular phylogeny for members of the endemic African mammalian order Macroscelidea (elephant shrews) with molecular-clock calculations; this molecular phylogeny provides convincing evidence that the genus Elephantulus is diphyletic. Elephantulus rozeti, the only elephant shrew species that resides north of the Sahara, is the sister group of a species from a different genus (Petrodromus tetradactylus), which resides just south of the Sahara. The split between these taxa coincided with major Miocene climatic events, which triggered the cooling and aridification of midlatitude continental regions, and a shift in the Sahara from a tropical to an arid environment. Thus, the North African distribution of E. rozeti is not the result of dispersion from an eastern species of the genus, but instead the result of a vicariant event involving the formation of the Sahara. The splitting events involved with most Elephantulus species in our analysis appear to coincide with these climatic events. This coincidence suggests that the environmental consequences associated with this period played an important role in the radiation of this order of mammals. The strongly supported phylogeny provides compelling evidence for a complex history of mosaic evolution, including pronounced bradytelic morphological evolution in some lineages, accelerated morphological evolution in others, and a remarkably slow rate of evolution of the male reproductive structure.

show abstract

A molecular perspective on mammalian evolution from the gene encoding interphotoreceptor retinoid binding protein, with convincing evidence for bat monophyly

Cited by 159 publications

References 19 publications

Integrated fossil and molecular data reconstruct bat echolocation

Integrated fossil and molecular data reconstruct bat echolocation

Phylogeny of the genus Apodemus with a special emphasis on the subgenus Sylvaemus using the nuclear IRBP gene and two mitochondrial markers: cytochrome b and 12S rRNA

The Sahara as a vicariant agent, and the role of Miocene climatic events, in the diversification of the mammalian order Macroscelidea (elephant shrews)

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