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Journal articles on the topic 'Anamnios'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Bichali, Saïd, Romulus Cristian Grigorescu, Mathilde Lefebvre, et al. "Merged bilateral arterial duct and circumflex retroesophageal right aortic arch in a fetus with normal intracardiac anatomy." Cardiology in the Young 29, no. 12 (2019): 1546–48. http://dx.doi.org/10.1017/s1047951119002488.

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AbstractWe report the case of a fetus with anamnios sequence and VACTERL syndrome, having a circumflex right aortic arch. Two arterial ducts join anteriorly to form a common vessel that connects to the pulmonary trunk with confluent pulmonary branches. Embryologically, the dorsal right 6th aortic arch did not disappear and the aortic arch development stopped in a symmetrical state with an exceptional “Y-shaped” merged bilateral arterial duct.

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Rouzaire, Marion, Marion Corvaisier, Virginie Roumeau, et al. "Predictors of Short Latency Period Exceeding 48 h after Preterm Premature Rupture of Membranes." Journal of Clinical Medicine 10, no. 1 (2021): 150. http://dx.doi.org/10.3390/jcm10010150.

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Background: Preterm premature rupture of membranes (PPROM) is a complication responsible for a third of preterm births. Clinical management is initially hospital based, but homecare management is possible if patients are clinically stable 48 h after PPROM. This study set out to determine factors that are predictive of short latency (delivery ≤ 7 days) exceeding 48 h after PPROM, enabling estimation of the prevalence of maternal and neonatal complications and comparison of maternal and fetal outcomes between inpatient and outpatient management. Method: This was a monocentric retrospective study

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R, Srividhya, and Jhansi Rani K. "Caesarean Section Analysis of the Rate According to Robson Ten Group Classification." Journal of Evidence Based Medicine and Healthcare 8, no. 01 (2021): 37–42. http://dx.doi.org/10.18410/jebmh/2021/8.

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BACKGROUND In current and subsequent births, Caesarean sections bear their own risks for maternal and perinatal morbidity and mortality. In contrast with vaginal delivery, Caesarean section has increased risk of blood transfusion, hysterectomy and death and the risk of uterine rupture, placenta accreta and placenta previa in future pregnancies is also increased. We wanted to analyse the Caesarean section rate using Robson ten group classification system & identify the leading groups contributing to high caesarean section rates using Robson ten group classification system. METHODS This obse

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Ekström, Peter, and Hilmar Meissl. "Evolution of photosensory pineal organs in new light: the fate of neuroendocrine photoreceptors." Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 358, no. 1438 (2003): 1679–700. http://dx.doi.org/10.1098/rstb.2003.1303.

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Pineal evolution is envisaged as a gradual transformation of pinealocytes (a gradual regression of pinealocyte sensory capacity within a particular cell line), the so-called sensory cell line of the pineal organ. In most non-mammals the pineal organ is a directly photosensory organ, while the pineal organ of mammals (epiphysis cerebri) is a non-sensory neuroendocrine organ under photoperiod control. The phylogenetic transformation of the pineal organ is reflected in the morphology and physiology of the main parenchymal cell type, the pinealocyte. In anamniotes, pinealocytes with retinal cone p

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Scaal, Martin, and Christoph Wiegreffe. "Somite compartments in anamniotes." Brain Structure and Function 211, S1 (2006): 9–19. http://dx.doi.org/10.1007/s00429-006-0127-8.

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6

Funakoshi, Kengo, and Masato Nakano. "The Sympathetic Nervous System of Anamniotes." Brain, Behavior and Evolution 69, no. 2 (2007): 105–13. http://dx.doi.org/10.1159/000095199.

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7

McCormick, Catherine A. "Central connections of anamniote auditory otolith endorgans." Journal of the Acoustical Society of America 119, no. 5 (2006): 3432. http://dx.doi.org/10.1121/1.2203537.

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8

Clairambault, Pierre, Gabriel Pinganaud, and Marie-Jeanne Cordier-Picouet. "Aspects ontogénétiques du système visuel des Vertébrés anamniotes." Geobios 22 (January 1989): 107–14. http://dx.doi.org/10.1016/s0016-6995(89)80012-9.

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9

Mikula, Peter. "Fish and amphibians as bat predators." European Journal of Ecology 1, no. 1 (2015): 71–80. http://dx.doi.org/10.1515/eje-2015-0010.

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AbstractAlthough bats (Chiroptera) belong to the most diverse mammalian orders, study of diversity of their natural predators has been seriously neglected for a long time. While some recent reviews contain comprehensive overviews of our recent knowledge on these phenomena for some animal groups, such work is still lacking for anamniotes - fishes and amphibians. Here, I am summarising bat predation incidences by anamniotes that were published in scientific journals and public web domains. I found out that at least 14 species of fishes and 14 species of frogs were observed as feeding on bats. Mo

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10

Villiard, Éric, Jean-François Denis, Faranak Sadat Hashemi, Sebastian Igelmann, Gerardo Ferbeyre, and Stéphane Roy. "Senescence gives insights into the morphogenetic evolution of anamniotes." Biology Open 6, no. 6 (2017): 891–96. http://dx.doi.org/10.1242/bio.025809.

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11

Cerveny, Kara L., Máté Varga, and Stephen W. Wilson. "Continued growth and circuit building in the anamniote visual system." Developmental Neurobiology 72, no. 3 (2012): 328–45. http://dx.doi.org/10.1002/dneu.20917.

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12

DUBOIS, ALAIN, and THIERRY FRÉTEY. "Herpetological higher taxa nomina. 8. Amphibia Blainville, 1816." Bionomina 21, no. 1 (2021): 84–110. http://dx.doi.org/10.11646/bionomina.21.1.5.

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Under the Duplostensional Nomenclatural System, the valid nomen of the class including all recent amphibians and all the Palaeozoic groups of anamniote tetrapods subsequent to the ‘lissamphibian-amniote phylogenetic split’ is the sozodiaphonym Amphibia Blainville, 1816. This corresponds to the usage that has been in force for two centuries in thousands of publications, and it should not be challenged, as this would entail instability and confusion.

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13

González, Agustín, Ruth Morona, Nerea Moreno, Sandra Bandín, and Jesús M. López. "Identification of Striatal and Pallidal Regions in the Subpallium of Anamniotes." Brain, Behavior and Evolution 83, no. 2 (2014): 93–103. http://dx.doi.org/10.1159/000357754.

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14

Moreno, Nerea, and Agustín González. "Evolution of the amygdaloid complex in vertebrates, with special reference to the anamnio-amniotic transition." Journal of Anatomy 211, no. 2 (2007): 151–63. http://dx.doi.org/10.1111/j.1469-7580.2007.00780.x.

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15

Akat, Esra. "Characterization of testicular histology and spermatogenesis in the Levantine frog, Pelophylax bedriagae (Amphibia: Anura: Ranidae)." Annales de Limnologie - International Journal of Limnology 56 (2020): 19. http://dx.doi.org/10.1051/limn/2020017.

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Amphibians occupy a position of great interest in terms of vertebrate evolution. Additionally, amphibians are known as a transitional group between amniotes and anamniotes. However, there are few studies on the gametogenesis of anamniotes vertebrates, especially anurans. Therefore, the purpose of this study was to analyze the histological feature of germ cells and their arrangement in the testis of Levantine frog, Pelophylax bedriagae (Camerano, 1882). Spermatogenic cells were organized in spermatocysts. Each spermatocyst contained cells at the same stage of the spermatogenic cycle. Identifica

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Giljov*, Andrey N., Karina A. Karenina*, and Yegor B. Malashichev. "An eye for a worm: Lateralisation of feeding behaviour in aquatic anamniotes." Laterality: Asymmetries of Body, Brain and Cognition 14, no. 3 (2009): 273–86. http://dx.doi.org/10.1080/13576500802379665.

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17

Seliverstova, G. A., and Т. Р. Kalashnicova. "Condition of vegetative regulation at concussion of a head brain in children of preschool age." Neurology Bulletin XXX, no. 3-4 (2021): 43–46. http://dx.doi.org/10.17816/nb81043.

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Peculiarities of infringement of the vegetative status in children, having had concussion of a head brain are revealed. Infringements of vegetative systems activity was displayed by an oppression of eigotrops link, causing unsufficient vegetative reaction and inadequate vegetative maintenance of activity. Interrelation of character of vegetative reaction with terms of remote period was shown. Influence of age of the children, character of perynatal anamnes, degree of clinical indemnification were revealed.

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Purcell, Brendan. "Alexander Solzhenitsyn's Overcoming Personal, Political and Historical Amnesia Through Literary-Aesthetic Anamnes." History of Communism in Europe 1, no. -1 (2010): 35–47. http://dx.doi.org/10.7761/hce.1.35.

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19

Roman-Trufero, Monica, Constance M. Ito, Conrado Pedebos, et al. "Evolution of an Amniote-Specific Mechanism for Modulating Ubiquitin Signaling via Phosphoregulation of the E2 Enzyme UBE2D3." Molecular Biology and Evolution 37, no. 7 (2020): 1986–2001. http://dx.doi.org/10.1093/molbev/msaa060.

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Abstract Genetic variation in the enzymes that catalyze posttranslational modification of proteins is a potentially important source of phenotypic variation during evolution. Ubiquitination is one such modification that affects turnover of virtually all of the proteins in the cell in addition to roles in signaling and epigenetic regulation. UBE2D3 is a promiscuous E2 enzyme, which acts as an ubiquitin donor for E3 ligases that catalyze ubiquitination of developmentally important proteins. We have used protein sequence comparison of UBE2D3 orthologs to identify a position in the C-terminal α-he

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20

Latimer, Andrew J., Xinhong Dong, Youlia Markov, and Bruce Appel. "Delta-Notch signaling induces hypochord development in zebrafish." Development 129, no. 11 (2002): 2555–63. http://dx.doi.org/10.1242/dev.129.11.2555.

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Different cell types that occupy the midline of vertebrate embryos originate within the Spemann-Mangold or gastrula organizer. One such cell type is hypochord, which lies ventral to notochord in anamniote embryos. We show that hypochord precursors arise from the lateral edges of the organizer in zebrafish. During gastrulation, hypochord precursors are closely associated with no tail-expressing midline precursors and paraxial mesoderm, which expresses deltaC and deltaD. Loss-of-function experiments revealed that deltaC and deltaD were required for her4 expression in presumptive hypochord precur

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21

Dettlaff, Tatiana A. "Evolution of the histological and functional structure of ectoderm, chordamesoderm and their derivatives in Anamnia." Roux's Archives of Developmental Biology 203, no. 1-2 (1993): 3–9. http://dx.doi.org/10.1007/bf00539884.

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22

Pop-Trajkovic, Sonja, Aleksandar Ljubic, Vesna Kopitovic, Vladimir Antic, Jelena Milosevic, and Milan Trenkic. "Fetal multicystic kidney disease: Outcome and follow up." Medical review 63, no. 3-4 (2010): 262–66. http://dx.doi.org/10.2298/mpns1004262p.

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Introduction Congenital fetal anomalies are the great problem and one of the main causes of increased perinatal mortality and morbidity. The aim of this study is to determine the outcome of prenataly detected multicystic dysplastic kidney and to point to the necessity of postnatal diagnostic procedures. Material and methods The retrospective-prospective study encompasses 38 cases of the prenatally diagnosed unilateral fetal multicystic dysplastic kidney. The associated anomalies were revealed either by autopsy findings when the pregnancy was terminated, or when the pregnancy continued, by clin

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23

Chaplin, N., C. Tendeng, and R. J. T. Wingate. "Absence of an External Germinal Layer in Zebrafish and Shark Reveals a Distinct, Anamniote Ground Plan of Cerebellum Development." Journal of Neuroscience 30, no. 8 (2010): 3048–57. http://dx.doi.org/10.1523/jneurosci.6201-09.2010.

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24

McDonald, C. G., T. J. Haimberger, and C. W. Hawryshyn. "Wavelength-dependent waveform characteristics of tectal evoked potentials in rainbow trout." Canadian Journal of Zoology 82, no. 10 (2004): 1614–20. http://dx.doi.org/10.1139/z04-148.

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Wavelength-dependent properties of tectal evoked potentials (TEPs) in rainbow trout, Oncorhynchus mykiss (Walbaum, 1792), were examined. It was found that TEP waveforms show distinct variation as a function of wavelength. In addition, the data suggest that the On and Off channels of the tectum each possess different wavelength-dependent characteristics. Middle wavelength stimulation typically evoked a waveform similar to that reported for another anamniote vertebrate, the toad (genus Bufo Laurenti, 1768). For the On and Off responses, this waveform comprised two negative deflections, N1 and N2

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CISNEROS, JUAN CARLOS, MICHAEL O. DAY, JACO GROENEWALD, and BRUCE S. RUBIDGE. "SMALL FOOTPRINTS EXPAND MIDDLE PERMIAN AMPHIBIAN DIVERSITY IN THE SOUTH AFRICAN KAROO." PALAIOS 35, no. 1 (2020): 1–11. http://dx.doi.org/10.2110/palo.2018.098.

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ABSTRACT Two new tetrapod trackways are described from the Tapinocephalus Assemblage Zone of the South African Karoo Basin. We interpret both to be traces attributable to small anamniote tetrapods. The larger footprints are tentatively referred to aff. Batrachichnus salamandroides. These imprints are distinguished from other records of Batrachichnus by a pentadactyl pes that produces only impressions of digits III–V. Digits I and II are recognized only by their drag marks. This trace occurs in association with a second set of footprints of uncertain affinities. However, these smaller imprints

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Hamasaki and Goto. "Parallel Emergence of a Compartmentalized Striatum with the Phylogenetic Development of the Cerebral Cortex." Brain Sciences 9, no. 4 (2019): 90. http://dx.doi.org/10.3390/brainsci9040090.

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The intricate neuronal architecture of the striatum plays a pivotal role in the functioning of the basal ganglia circuits involved in the control of various aspects of motor, cognitive, and emotional functions. Unlike the cerebral cortex, which has a laminar structure, the striatum is primarily composed of two functional subdivisions (i.e., the striosome and matrix compartments) arranged in a mosaic fashion. This review addresses whether striatal compartmentalization is present in non-mammalian vertebrates, in which simple cognitive and behavioral functions are executed by primitive sensori-mo

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Kirino, Masato, Jason Parnes, Anne Hansen, Sadao Kiyohara, and Thomas E. Finger. "Evolutionary origins of taste buds: phylogenetic analysis of purinergic neurotransmission in epithelial chemosensors." Open Biology 3, no. 3 (2013): 130015. http://dx.doi.org/10.1098/rsob.130015.

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Taste buds are gustatory endorgans which use an uncommon purinergic signalling system to transmit information to afferent gustatory nerve fibres. In mammals, ATP is a crucial neurotransmitter released by the taste cells to activate the afferent nerve fibres. Taste buds in mammals display a characteristic, highly specific ecto-ATPase (NTPDase2) activity, suggesting a role in inactivation of the neurotransmitter. The purpose of this study was to test whether the presence of markers of purinergic signalling characterize taste buds in anamniote vertebrates and to test whether similar purinergic sy

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Fröbisch, N. B., A. Brar, and R. R. Reisz. "New specimen of <i>Cacops woehri</i> indicates differences in the ontogenetic trajectories among cacopine dissorophids." Fossil Record 18, no. 1 (2015): 73–80. http://dx.doi.org/10.5194/fr-18-73-2015.

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Abstract. The Lower Permian Dolese locality has produced numerous exquisitely preserved tetrapod fossils representing members of a lower Permian upland fauna. Therein, at least nine taxa of the clade Dissorophoidea, ranging in size from the large predaceous trematopid Acheloma to the miniaturized amphibamid Doleserpeton, highlight the great taxic and ecological diversity of this anamniote clade. Here we describe a large specimen of the dissorophid Cacops woehri, which was previously only known from the juvenile or subadult holotype skull. Another member of the genus Cacops present at the Doles

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Krutikov, E. S., O. Yu Shurigina, L. E. Sorokina, A. I. Gordiyenko, and K. D. Malyj. "GENETIC MARKERS OF IMMUNE RESPONSE DISORDERS IN WOMEN OF REPRODUCTIVE AGE WITH ACUTE PYELONEPHRITIS." Nephrology (Saint-Petersburg) 22, no. 5 (2018): 39–44. http://dx.doi.org/10.24884/1561-6274-2018-22-5-39-44.

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Acute pyelonephritis (AP) is an inflammatory and infectious process that occurs due to immunological disorders, occurring mostly in the calyx-pelvic renal system and the tubulointerstitial zone. Pyelonephritis more often occurs in women of reproductive age.THE AIM:to study genetically determined changes in the Toll-like receptor 4, mutations in the genes of interleukin 1β, interleukin 6 in women of reproductive age with acute pyelonephritis.PATIENTS AND METHODS: The study included 26 women with acute pyelonephritis. Control group consisted of 27 practically healthy women comparable ages and wi

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Motta, P., T. Tricas, and R. Summers. "Feeding mechanism and functional morphology of the jaws of the lemon shark Negaprion brevirostris (Chondrichthyes, Carcharhinidae)." Journal of Experimental Biology 200, no. 21 (1997): 2765–80. http://dx.doi.org/10.1242/jeb.200.21.2765.

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This study tests the hypothesis that preparatory, expansive, compressive and recovery phases of biting behavior known for aquatically feeding anamniotes are conserved among extant elasmobranch fishes. The feeding mechanism of the lemon shark Negaprionbrevirostris is examined by anatomical dissection, electromyography and high-speed video analysis. Three types of feeding events are differentiated during feeding: (1) food ingestion primarily by ram feeding; (2) food manipulation; and (3) hydraulic transport of the food by suction. All feeding events are composed of the expansive, compressive and

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Alibardi, Lorenzo. "Appendage regeneration in anamniotes utilizes genes active during larval‐metamorphic stages that have been lost or altered in amniotes: The case for studying lizard tail regeneration." Journal of Morphology 281, no. 11 (2020): 1358–81. http://dx.doi.org/10.1002/jmor.21251.

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Parent, André. "The brain in evolution and involution." Biochemistry and Cell Biology 75, no. 6 (1997): 651–67. http://dx.doi.org/10.1139/o97-094.

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This paper provides an overview of the phylogenetic evolution and structural organization of the basal ganglia. These large subcortical structures that form the core of the cerebral hemispheres directly participate in the control of psychomotor behavior. Neuroanatomical methods combined with transmitter localization procedures were used to study the chemical organization of the forebrain in each major group of vertebrates. The various components of the basal ganglia appear well developed in amniote vertebrates, but remain rudimentary in anamniote vertebrates. For example, a typical substantia

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Butler, Ann B. "Of Horse-Caterpillars and Homologies: Evolution of the Hippocampus and Its Name." Brain, Behavior and Evolution 90, no. 1 (2017): 7–14. http://dx.doi.org/10.1159/000475981.

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The hippocampus was first named in mammals based on the appearance of its gross morphological features, one end of it being fancied to resemble the head of a horse and the rest of it a silkworm, or caterpillar. A hippocampus, occupying the most medial part of the telencephalic pallium, has subsequently been identified in diverse nonmammalian taxa, but in which the “horse-caterpillar” morphology is lacking. While some strikingly similar functional similarities have been identified, questions of its homology (“sameness”) across these taxa and about the very fundamental relationship of structure

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Královičová, Jana, Ivana Borovská, Reuben Pengelly, et al. "Restriction of an intron size en route to endothermy." Nucleic Acids Research 49, no. 5 (2021): 2460–87. http://dx.doi.org/10.1093/nar/gkab046.

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Abstract Ca2+-insensitive and -sensitive E1 subunits of the 2-oxoglutarate dehydrogenase complex (OGDHC) regulate tissue-specific NADH and ATP supply by mutually exclusive OGDH exons 4a and 4b. Here we show that their splicing is enforced by distant lariat branch points (dBPs) located near the 5′ splice site of the intervening intron. dBPs restrict the intron length and prevent transposon insertions, which can introduce or eliminate dBP competitors. The size restriction was imposed by a single dominant dBP in anamniotes that expanded into a conserved constellation of four dBP adenines in amnio

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de Bakker, B. S., M. J. B. van den Hoff, P. D. Vize, and R. J. Oostra. "The Pronephros; a Fresh Perspective." Integrative and Comparative Biology 59, no. 1 (2019): 29–47. http://dx.doi.org/10.1093/icb/icz001.

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Abstract Contemporary papers and book chapters on nephrology open with the assumption that human kidney development passes through three morphological stages: pronephros, mesonephros, and metanephros. Current knowledge of the human pronephros, however, appears to be based on only a hand full of human specimens. The ongoing use of variations in the definition of a pronephros hampers the interpretation of study results. Because of the increased interest in the anamniote pronephros as a genetic model for kidney organogenesis we aimed to provide an overview of the literature concerning kidney deve

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Rudenko, Anna, Yurij Liannoi, and Oleksandr Zviriaka. "Assessment of the condition of the musculoskeletal system in children with consequences of hip dysplasia." Scientific Journal of National Pedagogical Dragomanov University. Series 15. Scientific and pedagogical problems of physical culture (physical culture and sports), no. 6(126) (July 20, 2020): 83–87. http://dx.doi.org/10.31392/npu-nc.series15.2020.6(126).18.

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The article evaluates the state of the musculoskeletal system among preschoolers with the consequences of hip dysplasia. The research was conducted on the basis of preschool educational institutions during 2014- 2019. 131 preschool children (mean age 5,6 ± 0,5 years) were involved in the study. Two groups were formed for the study: the children with unilateral hip dysplasia on the anamnes (detected by the analysis of medical records) is the main group (n=68) and the children without hip disorders is the comparison group (n = 63). To evaluate the results, the method of video monitoring in the p

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Brichta, Alan M., and Jay M. Goldberg. "Morphological Identification of Physiologically Characterized Afferents Innervating the Turtle Posterior Crista." Journal of Neurophysiology 83, no. 3 (2000): 1202–23. http://dx.doi.org/10.1152/jn.2000.83.3.1202.

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The turtle posterior crista consists of two hemicristae. Each hemicrista extends from the planum semilunatum to the nonsensory torus and includes a central zone (CZ) surrounded by a peripheral zone (PZ). Type I and type II hair cells are found in the CZ and are innervated by calyx, dimorphic and bouton afferents. Only type II hair cells and bouton fibers are found in the PZ. Units were intraaxonally labeled in a half-head preparation. Bouton (B) units could be near the planum (BP), near the torus (BT), or in midportions of a hemicrista, including the PZ and CZ. Discharge properties of B units

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Ivanova, Anastasiya S., Daria D. Korotkova, Galina V. Ermakova, Natalia Yu Martynova, Andrey G. Zaraisky, and Maria B. Tereshina. "Ras-dva small GTPases lost during evolution of amniotes regulate regeneration in anamniotes." Scientific Reports 8, no. 1 (2018). http://dx.doi.org/10.1038/s41598-018-30811-0.

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Marchetti, Lorenzo, Sebastian Voigt, Michael Buchwitz, et al. "Tracking the Origin and Early Evolution of Reptiles." Frontiers in Ecology and Evolution 9 (July 1, 2021). http://dx.doi.org/10.3389/fevo.2021.696511.

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The origin of Reptilia and the biostratigraphic and palaeobiogeographic distribution of its early representatives are still poorly understood. An independent source of information may come from the extensive Carboniferous footprint record of reptiles, which is arguably richer and more complete than the skeletal record. Nevertheless, previous studies often failed to provide useful information because they were based on poorly preserved material and/or characters non-exclusive of reptile tracks. In fact, a large part of the supposed early reptile tracks can be assigned to the anamniote ichnotaxo

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Shook, David R., Eric M. Kasprowicz, Lance A. Davidson, and Raymond Keller. "Large, long range tensile forces drive convergence during Xenopus blastopore closure and body axis elongation." eLife 7 (March 13, 2018). http://dx.doi.org/10.7554/elife.26944.

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Indirect evidence suggests that blastopore closure during gastrulation of anamniotes, including amphibians such as Xenopus laevis, depends on circumblastoporal convergence forces generated by the marginal zone (MZ), but direct evidence is lacking. We show that explanted MZs generate tensile convergence forces up to 1.5 μN during gastrulation and over 4 μN thereafter. These forces are generated by convergent thickening (CT) until the midgastrula and increasingly by convergent extension (CE) thereafter. Explants from ventralized embryos, which lack tissues expressing CE but close their blastopor

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Sefton, Elizabeth M., Bhart-Anjan S. Bhullar, Zahra Mohaddes, and James Hanken. "Evolution of the head-trunk interface in tetrapod vertebrates." eLife 5 (April 19, 2016). http://dx.doi.org/10.7554/elife.09972.

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Vertebrate neck musculature spans the transition zone between head and trunk. The extent to which the cucullaris muscle is a cranial muscle allied with the gill levators of anamniotes or is instead a trunk muscle is an ongoing debate. Novel computed tomography datasets reveal broad conservation of the cucullaris in gnathostomes, including coelacanth and caecilian, two sarcopterygians previously thought to lack it. In chicken, lateral plate mesoderm (LPM) adjacent to occipital somites is a recently identified embryonic source of cervical musculature. We fate-map this mesoderm in the axolotl (Am

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Modrell, Melinda S., Mike Lyne, Adrian R. Carr, et al. "Insights into electrosensory organ development, physiology and evolution from a lateral line-enriched transcriptome." eLife 6 (March 27, 2017). http://dx.doi.org/10.7554/elife.24197.

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The anamniote lateral line system, comprising mechanosensory neuromasts and electrosensory ampullary organs, is a useful model for investigating the developmental and evolutionary diversification of different organs and cell types. Zebrafish neuromast development is increasingly well understood, but neither zebrafish nor Xenopus is electroreceptive and our molecular understanding of ampullary organ development is rudimentary. We have used RNA-seq to generate a lateral line-enriched gene-set from late-larval paddlefish (Polyodon spathula). Validation of a subset reveals expression in developing

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Hockman, Dorit, Alan J. Burns, Gerhard Schlosser, et al. "Evolution of the hypoxia-sensitive cells involved in amniote respiratory reflexes." eLife 6 (April 7, 2017). http://dx.doi.org/10.7554/elife.21231.

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The evolutionary origins of the hypoxia-sensitive cells that trigger amniote respiratory reflexes – carotid body glomus cells, and ‘pulmonary neuroendocrine cells’ (PNECs) - are obscure. Homology has been proposed between glomus cells, which are neural crest-derived, and the hypoxia-sensitive ‘neuroepithelial cells’ (NECs) of fish gills, whose embryonic origin is unknown. NECs have also been likened to PNECs, which differentiate in situ within lung airway epithelia. Using genetic lineage-tracing and neural crest-deficient mutants in zebrafish, and physical fate-mapping in frog and lamprey, we

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Alibardi, Lorenzo. "Regeneration in anamniotes was replaced by regengrow and scarring in amniotes after land colonization and the evolution of terrestrial biological cycles." Developmental Dynamics, April 22, 2021. http://dx.doi.org/10.1002/dvdy.341.

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Meiri, Shai, Gopal Murali, Anna Zimin, et al. "Different solutions lead to similar life history traits across the great divides of the amniote tree of life." Journal of Biological Research-Thessaloniki 28, no. 1 (2021). http://dx.doi.org/10.1186/s40709-021-00134-9.

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AbstractAmniote vertebrates share a suite of extra-embryonic membranes that distinguish them from anamniotes. Other than that, however, their reproductive characteristics could not be more different. They differ in basic ectothermic vs endothermic physiology, in that two clades evolved powered flight, and one clade evolved a protective shell. In terms of reproductive strategies, some produce eggs and others give birth to live young, at various degrees of development. Crucially, endotherms provide lengthy parental care, including thermal and food provisioning—whereas ectotherms seldom do. These

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Bhattacharyya, Kiran, David L. McLean, and Malcolm A. MacIver. "Intersection of motor volumes predicts the outcome of ambush predation of larval zebrafish." Journal of Experimental Biology 224, no. 5 (2021). http://dx.doi.org/10.1242/jeb.235481.

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ABSTRACT Escape maneuvers are key determinants of animal survival and are under intense selection pressure. A number of escape maneuver parameters contribute to survival, including response latency, escape speed and direction. However, the relative importance of these parameters is context dependent, suggesting that interactions between parameters and predatory context determine the likelihood of escape success. To better understand how escape maneuver parameters interact and contribute to survival, we analyzed the responses of larval zebrafish (Danio rerio) to the attacks of dragonfly nymphs

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Alibardi, Lorenzo. "Immunolabeling indicates that sulfhydryl oxidase is absent in anamniote epidermis but marks the process of cornification in the skin of terrestrial vertebrates." Journal of Morphology, November 16, 2020. http://dx.doi.org/10.1002/jmor.21299.

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Reichenberger, Ingrid, Claude J. Caussidier-Dechesne, and Hans Straka. "Calretinin Immunoreactivity in the VIIIth Nerve and Inner Ear Endorgans of Ranid Frogs." Frontiers in Neuroscience 15 (July 7, 2021). http://dx.doi.org/10.3389/fnins.2021.691962.

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Calcium-binding proteins are essential for buffering intracellular calcium concentrations, which are critical for regulating cellular processes involved in neuronal computations. One such calcium-binding protein, calretinin, is present in many neurons of the central nervous system as well as those which innervate cranial sensory organs, although often with differential distributions in adjacent cellular elements. Here, we determined the presence and distribution of calretinin-immunoreactivity in the peripheral vestibular and auditory system of ranid frogs. Calretinin-immunoreactivity was obser

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Nieuwenhuys, Rudolf. "Topological Analysis of the Brainstem of the Australian Lungfish Neoceratodus forsteri." Brain, Behavior and Evolution, May 31, 2021, 1–21. http://dx.doi.org/10.1159/000516409.

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This paper presents a survey of the cell masses in the brainstem of the Australian lungfish <i>Neoceratodus forsteri</i>, based on<i></i>transversely cut Bodian-stained serial sections, supplemented by immunohistochemical data from the recent literature. This study is intended to serve a double purpose. First it concludes and completes a series of publications on the structure of the brainstem in representative species of all groups of anamniote vertebrates. Within the framework of this comparative program the cell masses in the brainstem and their positional relations

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