Thyroid hormones determine developmental mode in sand dollars (Echinodermata: Echinoidea).

abstract：:An ongoing challenge to evolutionary developmental biology is to understand how developmental evolution on the level of populations and closely related species relates to macroevolutionary transformations and the origin of morphological novelties. Here we explore the developmental basis of beetle horns, a morphologica...

journal_title：Evolution & development

authors： Moczek AP,Nagy LM

更新日期：2005-05-01 00:00:00

abstract：:Genetic heterogeneity and homogeneity are associated with distinct sets of adaptive advantages and bottlenecks, both in developmental biology and population genetics. Whereas populations of individuals are usually genetically heterogeneous, most multicellular metazoans are genetically homogeneous. Observing that resou...

journal_title：Evolution & development

authors： Hamant O,Bhat R,Nanjundiah V,Newman SA

更新日期：2019-05-01 00:00:00

abstract：:Asymmetric cell divisions are a crucial mode of cell fate specification in multicellular organisms, but their relative contribution to early embryonic patterning varies among taxa. In the embryo of the mollusc Ilyanassa, most of the early cell divisions are overtly asymmetric. During Ilyanassa early cleavage, mRNAs fo...

journal_title：Evolution & development

authors： Kingsley EP,Chan XY,Duan Y,Lambert JD

更新日期：2007-11-01 00:00:00

abstract：:Termites (Blattodea, Termitoidea, or Isoptera) constitute one of the major lineages of eusocial insects. In termite societies, multiple types of functional individuals, that is, castes, perform divisions of labors to coordinate social behaviors. Among other castes, the soldier caste is distinctive since it is sterile ...

journal_title：Evolution & development

authors： Miura T,Maekawa K

更新日期：2020-11-01 00:00:00

abstract：:Anuran development is usually described using model species, most notably Xenopus laevis and Rana pipiens. We describe the development of the East African Reed Frog, Hyperolius puncticulatus, a species displaying development that is highly divergent from the "classic" anuran developmental pattern. Although having smal...

journal_title：Evolution & development

authors： Chipman AD,Haas A,Khaner O

更新日期：1999-07-01 00:00:00

abstract：:Molecular and morphological data sets have yielded conflicting phylogenies for the Metazoa. So far, no general explanation for the existence of this conflict has been suggested. However, I believe that a neglected aspect of metazoan cladistics has introduced a systematic and substantial bias into morphological phyloge...

journal_title：Evolution & development

authors： Jenner RA

更新日期：2004-09-01 00:00:00

abstract：:The origin of the turtle plastron is not known, but these nine bones have been homologized to the exoskeletal components of the clavicles, the interclavicular bone, and gastralia. Earlier evidence from our laboratory showed that the bone-forming cells of the plastron were positive for HNK-1 and PDGFRalpha, two markers...

journal_title：Evolution & development

authors： Cebra-Thomas JA,Betters E,Yin M,Plafkin C,McDow K,Gilbert SF

更新日期：2007-05-01 00:00:00

abstract：:The way in which novelties that lead to macroevolutionary events originate is a major question in evolutionary biology, and one that can be addressed using the fire salamander (Salamandra salamandra) as a model system. It is exceptional among amphibians in displaying intraspecific diversity of reproductive strategies....

journal_title：Evolution & development

authors： Buckley D,Alcobendas M,García-París M,Wake MH

更新日期：2007-01-01 00:00:00

abstract：:It has recently been shown that the three metazoan superphyla that are recognized on the basis of 18S rDNA phylogenies--ecdysozoans, lophotrochozoans, and deuterostomes--each have characteristic Hox genes. This observation has been taken further, and these "signature" Hox genes have been looked for in taxa of uncertai...

journal_title：Evolution & development

authors： Telford MJ

更新日期：2000-11-01 00:00:00

abstract：:LEAFY HULL STERILE1 (LHS1) is an MIKC-type MADS-box gene in the SEPALLATA class. Expression patterns of LHS1 homologs vary among species of grasses, and may be involved in determining palea and lemma morphology, specifying the terminal floret of the spikelet, and sex determination. Here we present LHS1 expression data...

journal_title：Evolution & development

authors： Reinheimer R,Malcomber ST,Kellogg EA

更新日期：2006-05-01 00:00:00

abstract：:Jaw shedding and replacement of Diopatra aciculata (Onuphidae, Eunicida), by the same process as arthropod molting, involving apolysis and ecdysis, is described here. These observations suggest that molting has either evolved convergently in eunicidan polychaetes and ecdysozoans or it was present in the last ecdysozoa...

journal_title：Evolution & development

authors： Paxton H

更新日期：2005-07-01 00:00:00

abstract：:Geophilomorph centipedes show variation in segment number (a) between closely related species and (b) within and between populations of the same species. We have previously shown for a Scottish population of the coastal centipede Strigamia maritima that the temperature of embryonic development is one of the factors th...

journal_title：Evolution & development

authors： Vedel V,Apostolou Z,Arthur W,Akam M,Brena C

更新日期：2010-07-01 00:00:00

abstract：:The Drosophila sex comb (SC) has been hailed as a powerful tool for integrative studies in development, evolution, and behavior, but its ontogeny is poorly understood, even in the model organism Drosophila melanogaster. Using 4D live imaging and other techniques, we carried out a detailed analysis of the cellular even...

journal_title：Evolution & development

authors： Atallah J,Liu NH,Dennis P,Hon A,Godt D,Larsen EW

更新日期：2009-03-01 00:00:00

abstract：:The vertebrate Zic gene family encodes C2H2 zinc finger transcription factors closely related to the Gli proteins. Zic genes are expressed in multiple areas of developing vertebrate embryos, including the dorsal neural tube where they act as potent neural crest inducers. Here we describe the characterization of a Zic ...

journal_title：Evolution & development

authors： Gostling NJ,Shimeld SM

更新日期：2003-03-01 00:00:00

abstract：:To identify the mechanisms by which molecular variation is introduced into developmental systems, microevolutionary approaches to evolutionary developmental biology have to be taken. Here, we describe the molecular and developmental characterization of laboratory strains of the nematode genus Pristionchus, which lays ...

journal_title：Evolution & development

authors： Srinivasan J,Pires-daSilva A,Gutierrez A,Zheng M,Jungblut B,Witte H,Schlak I,Sommer RJ

更新日期：2001-07-01 00:00:00

abstract：:Mollusks have a wide variety of body plans, which develop through conserved early embryogenesis, namely spiral embryonic development and trochophore larvae. Although the comparative study of mollusks has attracted the interest of evolutionary developmental biology researchers, less attention has been paid to bivalves....

journal_title：Evolution & development

authors： Wada H,Phuangphong S,Hashimoto N,Nagai K

更新日期：2020-11-01 00:00:00

abstract：:Understanding the genetic and molecular mechanisms of morphological evolution is one of the greatest challenges in evolutionary biology. Sexually dimorphic traits, which often evolve at a high rate due to their involvement in mate choice and sexual selection, present unique opportunities for investigating changes in d...

journal_title：Evolution & development

authors： Kopp A,True JR

更新日期：2002-07-01 00:00:00

abstract：:The mocker swallowtail, Papilio dardanus, has a female-limited polymorphic mimicry. This polymorphism is controlled by allelic variation at a single locus with at least 11 alleles. Many of the alternative morphs are accurate mimics of different species of distasteful butterflies. Geneticists have long been interested ...

journal_title：Evolution & development

authors： Nijhout HF

更新日期：2003-11-01 00:00:00

abstract：:Reproductive division of labor is one of the crucial features in social insects, however, the developmental mechanisms leading to modifications in the reproductive apparatus of workers are still not very clear. Ants show a remarkable diversity in the morphological specialization of the worker's reproductive apparatus,...

journal_title：Evolution & development

authors： Gotoh A,Billen J,Hashim R,Ito F

更新日期：2016-03-01 00:00:00

abstract：:Variation in axial formulae (i.e., number and identity of vertebrae) is an important feature in the evolution of vertebrates. Vertebrae at different axial positions exhibit a region-specific morphology. Key determinants for the establishment of particular vertebral shapes are the highly conserved Hox genes. Here, we a...

journal_title：Evolution & development

authors： Böhmer C,Rauhut OW,Wörheide G

更新日期：2015-09-01 00:00:00

abstract：:A crucial role for the cranial neural crest in head development has been established for both actinopterygian fishes and tetrapods. It has been claimed, however, that the neural crest is unimportant for head development in the Australian lungfish (Neoceratodus forsteri), a member of the group (Dipnoi) which is commonl...

journal_title：Evolution & development

authors： Falck P,Joss J,Olsson L

更新日期：2000-07-01 00:00:00

abstract：:The phylogenetic positions of frogs, salamanders, and caecilians have been difficult to establish. Data matrices based primarily on Paleozoic taxa support a monophyletic origin of all Lissamphibia but have resulted in widely divergent hypotheses of the nature of their common ancestor. Analysis that concentrates on the...

journal_title：Evolution & development

authors： Schoch RR,Carroll RL

更新日期：2003-05-01 00:00:00

abstract：:Organizers of the symposium Starting from Fins: Parallelism in the Evolution of Limbs and Genitalia intended it 1) to begin debates and discussions about parallelism, serial homology and transitions in development, as well as evolution of gene function and theories of origins and 2) to examine closely the potential si...

journal_title：Evolution & development

authors： Rosa-Molinar E,Burke AC

更新日期：2002-03-01 00:00:00

abstract：:Heterochrony is an important mechanism in the evolution of amphibians. Although studies have centered on the relationship between size and shape and the rates of development, ossification sequence heterochrony also may have been important. Rigorous, phylogenetic methods for assessing sequence heterochrony are relative...

journal_title：Evolution & development

authors： Harrington SM,Harrison LB,Sheil CA

更新日期：2013-09-01 00:00:00

abstract：:In many respects, reptile hatchlings are fully functional, albeit miniature, adults. This means that the adult morphology must emerge during embryonic development. This insight emphasizes the connection between the mechanisms that generate phenotypic variation during embryonic development and the action of selection o...

journal_title：Evolution & development

authors： Andrews RM,Skewes SA

更新日期：2017-05-01 00:00:00

abstract：:Stinging cells called cnidocytes are a defining trait of the cnidarians (sea anemones, corals, jellyfish, and their relatives). In hydrozoan cnidarians such as Hydra, cnidocytes develop from interstitial stem cells set aside in the ectoderm. It is less clear how cnidocytes develop outside the Hydrozoa, as other cnidar...

journal_title：Evolution & development

authors： Gold DA,Lau CLF,Fuong H,Kao G,Hartenstein V,Jacobs DK

更新日期：2019-03-01 00:00:00

abstract：:Both individual sex and population sex ratio can affect lifetime reproductive success. As a result, multiple mechanisms have evolved to regulate sexual phenotype, including adult sex change in fishes. While adult sex change is typically socially regulated, few studies focus on the non-chromosomal mechanisms regulating...

journal_title：Evolution & development

authors： Solomon-Lane TK,Shvidkaya P,Thomas A,Williams MM,Rhyne A,Rogers L,Grober MS

更新日期：2016-07-01 00:00:00

abstract：:Evolution of segmented limbs is one of the key innovations of Arthropoda, allowing development of functionally specific specialized head and trunk appendages, a major factor behind their unmatched evolutionary success. Proximodistal limb patterning is controlled by two regulatory networks in the vinegar fly Drosophila...

journal_title：Evolution & development

authors： Janssen R

更新日期：2017-05-01 00:00:00

abstract：:The morphogenesis of a gut from the endoderm has been well studied among the animal kingdom and is also well described in the nematode Caenorhabditis elegans. But are there other ways to build a nematode intestine? Sulston et al. (1983) described a different intestinal cell lineage in the species Panagrellus redivivus...

journal_title：Evolution & development

authors： Houthoofd W,Willems M,Vangestel S,Mertens C,Bert W,Borgonie G

更新日期：2006-07-01 00:00:00

abstract：:Vertebrae are serially homologous structures with tight integration through their evolution and development. However, in mammals, the thoracic and lumbar regions are morphologically and functionally differentiated. We test the hypothesis that locomotor specialization is associated with altered post-natal growth patter...

journal_title：Evolution & development

authors： Jones KE,German RZ

更新日期：2014-03-01 00:00:00