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Blackburn DG, Hughes DF. Phylogenetic analysis of viviparity, matrotrophy, and other reproductive patterns in chondrichthyan fishes. Biol Rev Camb Philos Soc 2024; 99:1314-1356. [PMID: 38562006 DOI: 10.1111/brv.13070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 02/25/2024] [Accepted: 02/28/2024] [Indexed: 04/04/2024]
Abstract
The reproductive diversity of extant cartilaginous fishes (class Chondrichthyes) is extraordinarily broad, reflecting more than 400 million years of evolutionary history. Among their many notable reproductive specialisations are viviparity (live-bearing reproduction) and matrotrophy (maternal provision of nutrients during gestation). However, attempts to understand the evolution of these traits have yielded highly discrepant conclusions. Here, we compile and analyse the current knowledge on the evolution of reproductive diversity in Chondrichthyes with particular foci on the frequency, phylogenetic distribution, and directionality of evolutionary changes in their modes of reproduction. To characterise the evolutionary transformations, we amassed the largest empirical data set of reproductive parameters to date covering nearly 800 extant species and analysed it via a comprehensive molecular-based phylogeny. Our phylogenetic reconstructions indicated that the ancestral pattern for Chondrichthyes is 'short single oviparity' (as found in extant holocephalans) in which females lay successive clutches (broods) of one or two eggs. Viviparity has originated at least 12 times, with 10 origins among sharks, one in batoids, and (based on published evidence) another potential origin in a fossil holocephalan. Substantial matrotrophy has evolved at least six times, including one origin of placentotrophy, three separate origins of oophagy (egg ingestion), and two origins of histotrophy (uptake of uterine secretions). In two clades, placentation was replaced by histotrophy. Unlike past reconstructions, our analysis reveals no evidence that viviparity has ever reverted to oviparity in this group. Both viviparity and matrotrophy have arisen by a variety of evolutionary sequences. In addition, the ancestral pattern of oviparity has given rise to three distinct egg-laying patterns that increased clutch (brood) size and/or involved deposition of eggs at advanced stages of development. Geologically, the ancestral oviparous pattern arose in the Paleozoic. Most origins of viviparity and matrotrophy date to the Mesozoic, while a few that are represented at low taxonomic levels are of Cenozoic origin. Coupled with other recent work, this review points the way towards an emerging consensus on reproductive evolution in chondrichthyans while offering a basis for future functional and evolutionary analyses. This review also contributes to conservation efforts by highlighting taxa whose reproductive specialisations reflect distinctive evolutionary trajectories and that deserve special protection and further investigation.
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Affiliation(s)
- Daniel G Blackburn
- Department of Biology & Electron Microscopy Center, Trinity College, 300 Summit St, Hartford, Connecticut, 06106, USA
| | - Daniel F Hughes
- Department of Biology, Coe College, 1220 First Avenue NE, Cedar Rapids, Iowa, 52402, USA
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Domínguez-Guerrero SF, Méndez-de la Cruz FR, Manríquez-Morán NL, Olson ME, Galina-Tessaro P, Arenas-Moreno DM, Bautista-Del Moral A, Benítez-Villaseñor A, Gadsden H, Lara-Reséndiz RA, Maciel-Mata CA, Muñoz-Nolasco FJ, Santos-Bibiano R, Valdez-Villavicencio JH, Woolrich-Piña GA, Muñoz MM. Exceptional parallelisms characterize the evolutionary transition to live birth in phrynosomatid lizards. Nat Commun 2022; 13:2881. [PMID: 35610218 PMCID: PMC9130271 DOI: 10.1038/s41467-022-30535-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 05/05/2022] [Indexed: 11/21/2022] Open
Abstract
Viviparity, an innovation enhancing maternal control over developing embryos, has evolved >150 times in vertebrates, and has been proposed as an adaptation to inhabit cold habitats. Yet, the behavioral, physiological, morphological, and life history features associated with live-bearing remain unclear. Here, we capitalize on repeated origins of viviparity in phrynosomatid lizards to tease apart the phenotypic patterns associated with this innovation. Using data from 125 species and phylogenetic approaches, we find that viviparous phrynosomatids repeatedly evolved a more cool-adjusted thermal physiology than their oviparous relatives. Through precise thermoregulatory behavior viviparous phrynosomatids are cool-adjusted even in warm environments, and oviparous phrynosomatids warm-adjusted even in cool environments. Convergent behavioral shifts in viviparous species reduce energetic demand during activity, which may help offset the costs of protracted gestation. Whereas dam and offspring body size are similar among both parity modes, annual fecundity repeatedly decreases in viviparous lineages. Thus, viviparity is associated with a lower energetic allocation into production. Together, our results indicate that oviparity and viviparity are on opposing ends of the fast-slow life history continuum in both warm and cool environments. In this sense, the ‘cold climate hypothesis’ fits into a broader range of energetic/life history trade-offs that influence transitions to viviparity. There have been five independent transitions from egg laying to live birth in the phrynosomatid lizards. Here, Domínguez-Guerrero et al. identify parallel changes in physiology, life history and behaviour that characterize these transitions to live birth.
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Affiliation(s)
- Saúl F Domínguez-Guerrero
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT, 06511, USA. .,Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México. .,Posgrado en Ciencias Biológicas, Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México.
| | | | - Norma L Manríquez-Morán
- Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Hidalgo, 42184, Mineral de la Reforma, Hidalgo, México
| | - Mark E Olson
- Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México
| | - Patricia Galina-Tessaro
- Centro de Investigaciones Biológicas del Noroeste S. C., 23096, La Paz, Baja California Sur, México
| | - Diego M Arenas-Moreno
- Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México.,Posgrado en Ciencias Biológicas, Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México
| | - Adán Bautista-Del Moral
- Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México.,Posgrado en Ciencias Biológicas, Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México
| | - Adriana Benítez-Villaseñor
- Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México.,Posgrado en Ciencias Biológicas, Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México
| | - Héctor Gadsden
- Instituto de Ecología, A. C., 61600, Pátzcuaro, Michoacán, México
| | - Rafael A Lara-Reséndiz
- Centro de Investigaciones Biológicas del Noroeste S. C., 23096, La Paz, Baja California Sur, México.,Facultad de Ciencias Exactas, Físicas y Naturales, Centro de Zoología Aplicada, Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Diversidad y Ecología Animal, Universidad Nacional de Córdoba, Córdoba, 5000, Argentina
| | - Carlos A Maciel-Mata
- Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Hidalgo, 42184, Mineral de la Reforma, Hidalgo, México
| | - Francisco J Muñoz-Nolasco
- Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México.,Posgrado en Ciencias Biológicas, Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México
| | - Rufino Santos-Bibiano
- Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México.,Posgrado en Ciencias Biológicas, Instituto de Biología, Universidad Nacional Autónoma de México, 04510, Ciudad de México, México
| | | | | | - Martha M Muñoz
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT, 06511, USA
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3
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Grundler MC, Rabosky DL, Zapata F. Fast Likelihood Calculations for Automatic Identification of Macroevolutionary Rate Heterogeneity in Continuous and Discrete Traits. Syst Biol 2022; 71:1307-1318. [DOI: 10.1093/sysbio/syac035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 04/28/2022] [Accepted: 05/06/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
Understanding phenotypic disparity across the tree of life requires identifying where and when evolutionary rates change on phylogeny. A primary methodological challenge in macroevolution is therefore to develop methods for accurate inference of among-lineage variation in rates of phenotypic evolution. Here, we describe a method for inferring among-lineage evolutionary rate heterogeneity in both continuous and discrete traits. The method assumes that the present-day distribution of a trait is shaped by a variable-rate process arising from a mixture of constant-rate processes and uses a single-pass tree traversal algorithm to estimate branch-specific evolutionary rates. By employing dynamic programming optimization techniques and approximate maximum likelihood estimators where appropriate, our method permits rapid exploration of the tempo and mode of phenotypic evolution. Simulations indicate that the method reconstructs rates of trait evolution with high accuracy. Application of the method to datasets on squamate reptile reproduction and turtle body size recovers patterns of rate heterogeneity identified by previous studies but with computational costs reduced by many orders of magnitude. Our results expand the set of tools available for detecting macroevolutionary rate heterogeneity and point to the utility of fast, approximate methods for studying large scale biodiversity dynamics.
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Affiliation(s)
- Michael C Grundler
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA
| | - Daniel L Rabosky
- Museum of Zoology and Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Felipe Zapata
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA
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Penman Z, Deeming DC, Soulsbury CD. Ecological and life-history correlates of erythrocyte size and shape in Lepidosauria. J Evol Biol 2022; 35:708-718. [PMID: 35384114 PMCID: PMC9322653 DOI: 10.1111/jeb.14004] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/20/2021] [Accepted: 03/04/2022] [Indexed: 11/05/2022]
Abstract
Blood oxygen‐carrying capacity is shaped both by the ambient oxygen availability as well as species‐specific oxygen demand. Erythrocytes are a critical part of oxygen transport and both their size and shape can change in relation to species‐specific life‐history, behavioural or ecological conditions. Here, we test whether components of the environment (altitude), life history (reproductive mode, body temperature) and behaviour (diving, foraging mode) drive erythrocyte size variation in the Lepidosauria (lizards, snakes and rhynchocephalians). We collected data on erythrocyte size (area) and shape (L/W: elongation ratio) from Lepidosauria across the globe (N = 235 species). Our analyses show the importance of oxygen requirements as a driver of erythrocyte size. Smaller erythrocytes were associated with the need for faster delivery (active foragers, high‐altitude species, warmer body temperatures), whereas species with greater oxygen demands (diving species, viviparous species) had larger erythrocytes. Erythrocyte size shows considerable cross‐species variation, with a range of factors linked to the oxygen delivery requirements being major drivers of these differences. A key future aspect for study would include within‐individual plasticity and how changing states, for example, pregnancy, perhaps alter the size and shape of erythrocytes in Lepidosaurs.
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Affiliation(s)
- Zachary Penman
- School of Life Sciences and Environmental Sciences, University of Lincoln, Lincoln, UK
| | - D Charles Deeming
- School of Life Sciences and Environmental Sciences, University of Lincoln, Lincoln, UK
| | - Carl D Soulsbury
- School of Life Sciences and Environmental Sciences, University of Lincoln, Lincoln, UK
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