journal
MENU ▼
Read by QxMD icon Read
search

Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution

journal
https://read.qxmd.com/read/30729684/the-conspicuous-postmetamorphic-coloration-of-fire-salamanders-but-not-their-toxicity-is-affected-by-larval-background-albedo
#1
Eugenia Sanchez, Heike Pröhl, Tim Lüddecke, Stefan Schulz, Sebastian Steinfartz, Miguel Vences
Experimental work in the early 20th century showed that background albedo experienced by larvae of the fire salamander (Salamandra salamandra) induce a durable morphological modification of the postmetamorphic color pattern, which needed confirmation due to the controversies regarding Paul Kammerer's experiments. Such a carry-over effect would be relevant as the black and yellow pattern of the alkaloid-containing adult fire salamanders has been suggested to serve as an aposematic signal. Hence, we hypothesized that (a) adult coloration is conspicuous to potential predators under light conditions at night, given the nocturnal activity of this species, and (b) a condition affecting the salamander's coloration pattern would also affect its toxicity to maintain a quantitatively honest aposematic signal...
February 6, 2019: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30701697/jezb-and-the-future-of-developmental-evolution
#2
EDITORIAL
Ehab Abouheif
No abstract text is available yet for this article.
January 30, 2019: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30693638/identification-of-sox10-positive-cells-at-the-dorsal-fin-base-of-juvenile-flounder-that-are-correlated-with-blind-side-skin-ectopic-pigmentation
#3
Mai Togawa, Yuna Endo, Nobuo Suzuki, Hayato Yokoi, Tohru Suzuki
Flounder develop left-right asymmetric body color, with a dark ocular side and white blind side. However, ectopic pigmentation often occurs on the blind side when juveniles are reared in tanks. To examine the developmental mechanism underlying ectopic pigmentation, we first examined the pigmentation process on the blind side and the localization of chromatoblasts during spontaneous and regeneration-stimulated ectopic pigmentation. Wild-caught juveniles that had completed metamorphosis in a natural environment were reared in tanks, where they exhibited ectopic pigmentation on the blind side that was initiated at the base of the dorsal and anal fins, with chromatoblasts appearing at the edges of scales and melanophores spreading on the scale papilla beneath the epidermis...
January 29, 2019: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30680935/bcl6aa-and-bcl6ab-are-ubiquitously-expressed-and-are-inducible-by-lipopolysaccharide-and-polyi-c-in-adult-tissues-of-medaka-oryzias-latipes
#4
Runshuai Zhang, Kongyue Wu, Xiaomei Ke, Xueyan Zhang, Gongyu Xu, Hao Shen, Emile Nibona, Abdullah Al Hafiz, Xiaoting Liang, Zequn Wang, Chao Qi, Qingchun Zhou, Xueping Zhong, Haobin Zhao
B-cell lymphoma-6 (Bcl6) is a transcriptional repressor that plays important roles in various physiological activities such as innate and adaptive immune response, lymphocyte differentiation, and cell cycle regulation in mammals. Two homologs of Bcl6a, namely Bcl6aa and Bcl6ab, are identified in teleost fish including medaka Oryzias latipes. The expression profiles of bcl6aa and bcl6ab in medaka were studied using reverse-transcription polymerase chain reaction and in situ hybridization. The transcripts of bcl6aa and bcl6ab were detected from very early embryos such as the four-cell stage until hatching...
January 25, 2019: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30656826/explorations-of-the-optimal-method-for-isolating-oocytes-from-zebrafish-danio-rerio-ovary
#5
Chunhua Zhan, Wanjing Liu, Abeer M Hegazy, Tongzhou Zhang, Atufa Kawan, Xuezhen Zhang
Obtaining oocytes from the adult female zebrafish (Danio rerio) ovary has enormous importance in the studies of developmental biology, toxicology, and genetics. It is vital to establish a simple and effective approach to ensure the quantity and quality of oocytes, which will enable the success of follow-up experimental investigation finally. Usually, oocytes are separated with mechanical or enzymatic methods, however, little studies have been done with concerns about the comparative effects. The present study separated zebrafish oocytes of Stage III with five frequently used methods, including stripping, pipetting, hyaluronidase (1...
January 17, 2019: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30637919/review-evolution-and-diversification-of-corneous-beta-proteins-the-characteristic-epidermal-proteins-of-reptiles-and-birds
#6
REVIEW
Karin Brigit Holthaus, Leopold Eckhart, Luisa Dalla Valle, Lorenzo Alibardi
In all amniotes specialized intermediate filament keratins (IF-keratins), in addition to keratin-associated and corneous proteins form the outermost cornified layer of the epidermis. Only in reptiles and birds (sauropsids) the epidermis of scales, claws, beaks, and feathers, largely comprises small proteins formerly indicated as "beta-keratins" but here identified as corneous beta-proteins (CBPs) to avoid confusion with true keratins. Genes coding for CBPs have evolved within the epidermal differentiation complex (EDC), a locus with no relationship with those of IF-keratins...
January 14, 2019: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30569657/the-first-decades-of-developmental-evolution-and-the-journal-of-experimental-zoology
#7
EDITORIAL
Günter P Wagner
No abstract text is available yet for this article.
December 19, 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30468307/perspective-appendage-regeneration-in-amphibians-and-some-reptiles-derived-from-specific-evolutionary-histories
#8
Lorenzo Alibardi
Some hypotheses on the evolution of regeneration in amphibians and reptiles are presented. Amphibian regeneration is derived from metamorphosis present in sarcopterygian fish and amphibians of the Devonian-Carboniferous. The genetic ability to rebuild organs during metamorphosis was maintained in form of "regeneration" in urodele and anuran tadpoles. Amphibian regeneration may be a consequence of the transition from an aquatic to a terrestrial environment through the evolution of a developmental program for the tadpole stage and replacements of adult organs controlled by the endocrine and immune system...
November 23, 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30460778/inhibiting-transforming-growth-factor-%C3%AE-signaling-regulates-in-vitro-maintenance-and-differentiation-of-bovine-bone-marrow-mesenchymal-stem-cells
#9
Xin-Xin Zhao, Xing-Lan An, Xian-Chun Zhu, Yu Jiang, Yan-Hui Zhai, Sheng Zhang, Ning-Ning Cai, Bo Tang, Zi-Yi Li, Xue-Ming Zhang
Bovine bone marrow mesenchymal stem cells (bBMSC) are potential stem cell source which can be used for multipurpose. However, their application is limited because the in vitro maintenance of these cells is usually accompanied by aging and multipotency losing. Considering transforming growth factor-β (TGF-β) pathway inhibitor Repsox is beneficial for cell reprogramming, here we investigated its impacts on the maintenance and differentiation of bBMSC. The bBMSC were enriched and characterized by morphology, immunofluorescent staining, flow cytometry, and multilineage differentiation...
November 20, 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30460750/interruption-points-in-the-wing-gene-regulatory-network-underlying-wing-polyphenism-evolved-independently-in-male-and-female-morphs-in-cardiocondyla-ants
#10
Jan Oettler, Tobias Platschek, Christine Schmidt, Rajendhran Rajakumar, Marie-Julie Favé, Abderrahman Khila, Jürgen Heinze, Ehab Abouheif
Wing polyphenism in ants, which produces a winged female queen caste and a wingless female worker caste, evolved approximately 150 million years ago and has been key to the remarkable success of ants. Approximately 20 million years ago, the myrmicine ant genus Cardiocondyla evolved an additional wing polyphenism among males producing two male morphs: wingless males that fight to enhance mating success and winged males that disperse. Here we show that interruption of rudimentary wing-disc development in larvae of the ant Cardiocondyla obscurior occurs further downstream in the network in wingless males as compared with wingless female workers...
November 20, 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30421540/sewing-up-the-wounds-the-epithelial-morphogenesis-as-a-central-mechanism-of-calcaronean-sponge-regeneration
#11
Andrey I Lavrov, Fyodor V Bolshakov, Daria B Tokina, Alexander V Ereskovsky
Sponges (Porifera) demonstrate prominent regeneration abilities and possess a wide variety of mechanisms, used during this process. In the current study, we combined in vivo observations with histological, immunohistochemical, and ultrastructural technics to elucidate the fine cellular mechanisms of the regeneration in the calcareous sponge Leucosolenia cf. variabilis. The regeneration of Leucosolenia cf. variabilis ends within 4-6 days. The crucial step of the process is the formation of the transient regenerative membrane, formed by the epithelial morphogenesis-spreading of the intact exopinacoderm and choanoderm...
November 12, 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30387926/from-gene-list-to-gene-network-recognizing-functional-connections-that-regulate-behavioral-traits
#12
Kyrillos M Faragalla, Anna M Chernyshova, Anthony J Gallo, Graham J Thompson
The study of social breeding systems is often gene focused, and the field of insect sociobiology has been successful at assimilating tools and techniques from molecular biology. One common output from sociogenomic studies is a gene list. Gene lists are readily generated from microarray, RNA sequencing, or other molecular screens that typically aim to prioritize genes based on the differences in their expression. Gene lists, however, are often unsatisfying because the information they provide is simply tabular and does not explain how genes interact with each other, or how genetic interactions change in real time under social or environmental circumstances...
November 2, 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30387925/a-novel-allele-of-the-goldfish-chdb-gene-functional-evaluation-and-evolutionary-considerations
#13
Gembu Abe, Ing-Jia Li, Shu-Hua Lee, Kinya G Ota
The twin tail of ornamental goldfish is known to be caused by a nonsense mutation in one chordin paralogue gene. Our previous molecular studies in goldfish revealed that the ancestral chordin gene was duplicated, creating the chdA and chdB genes, and the subsequent introduction of a stop codon allele in the chdA gene ( chdA E127X ) caused the twin-tail morphology. The chdA E127X allele was positively selected by breeders, and the allele was genetically fixed in the ornamental twin-tail goldfish population. However, little is known about the evolutionary history of the chdB paralogue, begging the question: are there the functionally distinct alleles at the chdB locus, and if so, how did they evolve? To address these questions, we conducted molecular sequencing of the chdB gene from five different goldfish strains and discovered two alleles at the chdB gene locus; the two alleles are designated chdB 1 and chdB 2 ...
November 2, 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30280505/temporal-and-spatial-expression-of-the-fox-gene-family-in-the-leech-helobdella-austinensis
#14
Hee-Jin Kwak, Kyoung-Bin Ryu, Brenda Irene Medina Jiménez, Soon Cheol Park, Sung-Jin Cho
The Forkhead box (Fox) gene family is an evolutionarily ancient gene family named after the Drosophila melanogaster forkhead gene (fkh). Fox genes are highly conserved transcription factors critical for embryogenesis and carcinogenesis. In the current study, we report a whole-genome survey of Fox genes and their expression patterns in the leech Helobdella austienesis. Phylogenetic analysis suggests that some Fox genes of leeches are correlated with other Lophotrochozoa and vertebrate Fox genes. Here we have performed semiquantitative reverse transcription polymerase chain reaction and whole-mount in situ hybridization of Fox genes throughout the embryonic development of H...
October 2, 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30548180/erratum
#15
(no author information available yet)
No abstract text is available yet for this article.
September 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30156749/segmentation-pattern-of-zebrafish-caudal-fin-is-affected-by-developmental-temperature-and-defined-by-multiple-fusions-between-segments
#16
Maria Christou, Maria Iliopoulou, Paul Eckhard Witten, George Koumoundouros
Caudal-fin lepidotrichia is composed of numerous segments, which are linked to each other by intersegmental joints. During fish growth, lepidotrichia elongate by the addition of new segments at their distal margin, whereas the length of each segment remains constant after it is formed. In the present paper, we examined whether the water temperature affects the segmentation pattern of the juvenile and adult caudal fin. For this purpose, zebrafish (Danio rerio) embryos and larvae were exposed to three different temperature conditions (24°C, 28°C, and 32°C) from the pharyngula stage (1 day postfertilization [dpf]) to metamorphosis, whereas the control temperature (28°C) was applied to all the groups before and after this period...
August 29, 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30058118/massive-parallel-expansions-of-methuselah-methuselah-like-receptors-in-schizophoran-diptera
#17
Markus Friedrich, Hanady Chahine, Cristina Al-Jageta, Hamzah Badreddine
The Methuselah/Methuselah-like (Mth/Mthl) family of G-protein coupled receptors (GPCRs) is represented by 16 homologs in the fruit fly Drosophila melanogaster. Three of them have thus far been functionally characterized and found to play critical roles in cell adhesion, immunity, lifespan, and oxidative stress regulation. Evolutionary studies have shown that the large number of D. melanogaster Mth/Mthl GPCRs arose by at least two rounds of gene duplications. The first produced the "mth superclade" subfamily and was followed by the expansion of the "melanogaster subgroup" cluster within the "mth superclade" of Mth/Mthl GPCRs...
July 29, 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/30168666/the-first-cockroach-genome-and-its-significance-for-understanding-development-and-the-evolution-of-insect-eusociality
#18
EDITORIAL
Erich Bornberg-Bauer, Mark C Harrison, Evelien Jongepier
No abstract text is available yet for this article.
July 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/29998472/expansions-of-key-protein-families-in-the-german-cockroach-highlight-the-molecular-basis-of-its-remarkable-success-as-a-global-indoor-pest
#19
Mark C Harrison, Nicolas Arning, Lukas P M Kremer, Guillem Ylla, Xavier Belles, Erich Bornberg-Bauer, Ann Kathrin Huylmans, Evelien Jongepier, Maria-Dolors Piulachs, Stephen Richards, Coby Schal
The German cockroach, Blattella germanica, is a worldwide pest that infests buildings, including homes, restaurants, and hospitals, often living in unsanitary conditions. As a disease vector and producer of allergens, this species has major health and economic impacts on humans. Factors contributing to the success of the German cockroach include its resistance to a broad range of insecticides, immunity to many pathogens, and its ability, as an extreme generalist omnivore, to survive on most food sources. The recently published genome shows that B...
July 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://read.qxmd.com/read/29989317/the-evolution-of-sociality-in-termites-from-cockroaches-a-taxonomic-and-phylogenetic-perspective
#20
Frédéric Legendre, Philippe Grandcolas
Despite multiple studies and advances, sociality still puzzles evolutionary biologists in numerous ways, which might be partly addressed with the advent of sociogenomics. In insects, the majority of sociogenomic studies deal with Hymenoptera, one of the two groups that evolved eusociality with termites. But, to fully grasp the evolution of sociality, studies must obviously not restrict to eusocial lineages. Multiple kinds of social system transitions have been recorded and they all bring complementary insights...
July 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
journal
journal
40393
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"