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Article ; Online: The paddy frog genome provides insight into the molecular adaptations and regulation of hibernation in ectotherms

Yunyun Lv / Chuan Chen / Chengzhi Yan / Wenbo Liao

iScience, Vol 27, Iss 2, Pp 108844- (2024)

2024

Abstract: Summary: Amphibians, like the paddy frog (Fejervarya multistriata), have played a critical role in the transition from water to land. Hibernation is a vital survival adaptation in cold environments with limited food resources. We decoded the paddy frog ... ...

Abstract	Summary: Amphibians, like the paddy frog (Fejervarya multistriata), have played a critical role in the transition from water to land. Hibernation is a vital survival adaptation in cold environments with limited food resources. We decoded the paddy frog genome to reveal the molecular adaptations linked to hibernation in ectotherms. The genome contained 13 chromosomes, with a significant proportion of repetitive sequences. We identified the key genes encoding the proteins of AANAT, TRPM8, EGLN1, and VEGFA essential for circadian rhythms, thermosensation, and hypoxia during hibernation by comparing the hibernator and non-hibernator genomes. Examining organ changes during hibernation revealed the central regulatory role of the brain. We identified 21 factors contributing to hibernation, involving hormone biosynthesis, protein digestion, DNA replication, and the cell cycle. These findings provide deeper insight into the complex mechanisms of ectothermic hibernation and contribute to our understanding of the broader significance of this evolutionary adaptation.
Keywords	Physiology ; Genetics ; Molecular biology ; Science ; Q
Language	English
Publishing date	2024-02-01T00:00:00Z
Publisher	Elsevier
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: How hibernation in frogs drives brain and reproductive evolution in opposite directions

Wenbo Liao / Ying Jiang / Long Jin / Stefan Lüpold

eLife, Vol

2023 Volume 12

Abstract: Environmental seasonality can promote the evolution of larger brains through cognitive and behavioral flexibility but can also hamper it when temporary food shortage is buffered by stored energy. Multiple hypotheses linking brain evolution with resource ... ...

Abstract	Environmental seasonality can promote the evolution of larger brains through cognitive and behavioral flexibility but can also hamper it when temporary food shortage is buffered by stored energy. Multiple hypotheses linking brain evolution with resource acquisition and allocation have been proposed for warm-blooded organisms, but it remains unclear how these extend to cold-blooded taxa whose metabolism is tightly linked to ambient temperature. Here, we integrated these hypotheses across frogs and toads in the context of varying brumation (hibernation) durations and their environmental correlates. We showed that protracted brumation covaried negatively with brain size but positively with reproductive investment, likely in response to brumation-dependent changes in the socio-ecological context and associated selection on different tissues. Our results provide novel insights into resource allocation strategies and possible constraints in trait diversification, which may have important implications for the adaptability of species under sustained environmental change.
Keywords	anurans ; brain size ; hiberation ; Medicine ; R ; Science ; Q ; Biology (General) ; QH301-705.5
Subject code	333
Language	English
Publishing date	2023-12-01T00:00:00Z
Publisher	eLife Sciences Publications Ltd
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Seasonal Variation in Gut Microbiota Related to Diet in Fejervarya limnocharis

Chunhua Huang / Wenbo Liao

Animals, Vol 11, Iss 1393, p

2021 Volume 1393

Abstract: Organisms adapt to environmental fluctuations by varying their morphology and structural, physiological, and biochemical characteristics. Gut microbiome, varying rapidly in response to environmental shifts, has been proposed as a strategy for adapting to ...

Abstract	Organisms adapt to environmental fluctuations by varying their morphology and structural, physiological, and biochemical characteristics. Gut microbiome, varying rapidly in response to environmental shifts, has been proposed as a strategy for adapting to the fluctuating environment (e.g., new dietary niches). Here, we explored the adaptive mechanism of frog intestinal microbes in response to environmental changes. We collected 170 Fejervarya limnocharis during different seasons (spring, summer, autumn, and pre-hibernation) to study the compositional and functional divergence of gut microbiota and analysed the effects of seasonal feeding habits and body condition on intestinal microorganisms using 16S rRNA high-throughput sequencing, Tax4Fun function prediction analysis, and bioinformatics analysis. The results showed no significant dietary difference in various seasons and between males and females. However, a significantly positive correlation was detected between dietary diversity and food niche width. Host condition (body size, body mass, and body condition) also revealed seasonal changes. The frogs were colonised by 71 bacterial phyla and dominated by Proteobacteria, Firmicutes, and Bacteroidetes. Stenotrophomonas was the most abundant genus in the Proteobacteria. The composition, diversity, and function of intestinal microorganisms in different seasons were significantly different. Significant differences were observed in composition and function but not in the microbial diversity between sexes. Furthermore, seasonal foods and body mass were significantly correlated with gut microbial composition. Our results suggest that gut microbiomes of F. limnocharis vary seasonally in response to diet under fluctuating environments.
Keywords	Fejervarya limnocharis ; diet ; seasons ; gut microbiota ; function prediction ; Veterinary medicine ; SF600-1100 ; Zoology ; QL1-991
Subject code	590
Language	English
Publishing date	2021-05-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Testis Size Variation and Its Environmental Correlates in Andrew’s Toad ( Bufo andrewsi )

Ying Jiang / Li Zhao / Xiaofeng Luan / Wenbo Liao

Animals, Vol 12, Iss 3011, p

2022 Volume 3011

Abstract: Reproductive investments influenced by environmental conditions vary extensively among geographically distinct populations. However, investigations of patterns of intraspecific variation in male reproductive investments and the mechanisms shaping this ... ...

Abstract	Reproductive investments influenced by environmental conditions vary extensively among geographically distinct populations. However, investigations of patterns of intraspecific variation in male reproductive investments and the mechanisms shaping this variation in anurans remain scarce. Here, we focused on the variation in testis size in 14 populations of the Andrew’s toad Bufo andrewsi , a species with weak dispersal ability but wide distribution in southwestern China, to establish whether male reproductive investment varies on an environmental gradient. Our analysis revealed a significant variation in relative testis size across populations, and a positive correlation between testis size and body condition. We, however, found no geographic trends explaining the variability in the testis size. The relative testis size did not increase with increasing latitude or altitude. We also found no relationship between relative testis size and rainfall, but a negative correlation with the coefficient of variation of temperature, with larger testes under stable environments. These findings suggest that the decreased male reproductive investment of this species may be a consequence of harsher or fluctuating environmental conditions.
Keywords	reproductive investments ; environmental conditions ; intraspecific variation ; body condition ; Veterinary medicine ; SF600-1100 ; Zoology ; QL1-991
Subject code	590
Language	English
Publishing date	2022-11-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Predicting the Potential Distribution of the Szechwan Rat Snake ( Euprepiophis perlacea ) and Its Response to Climate Change in the Yingjing Area of the Giant Panda National Park

Xinqiang Song / Ying Jiang / Li Zhao / Long Jin / Chengzhi Yan / Wenbo Liao

Animals, Vol 13, Iss 24, p

2023 Volume 3828

Abstract: Climate change is a significant driver of changes in the distribution patterns of species and poses a threat to biodiversity, potentially resulting in species extinctions. Investigating the potential distribution of rare and endangered species is crucial ...

Abstract	Climate change is a significant driver of changes in the distribution patterns of species and poses a threat to biodiversity, potentially resulting in species extinctions. Investigating the potential distribution of rare and endangered species is crucial for understanding their responses to climate change and for the conservation of biodiversity and ecosystem management. The Szechwan rat snake ( Euprepiophis perlacea ) is an endemic and endangered species co-distributed with giant pandas, and studying its potential distribution contributes to a better understanding of the distribution pattern of endangered species. In this study, we confirmed seven presence points of this species in the Yingjing Area of the Giant Panda National Park, and selected eleven key factors to predict the potential distribution of E. perlacea under current and future scenarios using MaxEnt models. Our study consistently achieved AUC values exceeding 0.79, meeting the precision requirements of the models. The results indicated that the high potential distribution area of E. perlacea is mainly located near Yunwu mountain and the giant panda rewilding and reintroduction base, accounting for approximately 12% of the protected area. Moreover, we identified the primary environmental factors influencing the distribution of E. perlacea as the distance from streams and the slope degree, with their contribution rates exceeding 41% and 31%, respectively. In comparison to the current scenario, the potential habitat range for E. perlacea did not show an overall reduction in the context of future climate scenarios. To ensure the long-term preservation of E. perlacea , it is advisable to validate its actual distribution based on the models’ results. Particular attention should be given to safeguarding its core distribution areas and raising awareness among residents within the potential distribution range about the conservation of E. perlacea .
Keywords	climate change ; E. perlacea ; environmental variables ; distribution ; conservation ; Veterinary medicine ; SF600-1100 ; Zoology ; QL1-991
Subject code	333
Language	English
Publishing date	2023-12-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Research activity induces change in nest position but does not affect nest success in a vulnerable babbler

Lanlan Zhang / Yufeng Wang / Benping Chen / Wenbo Liao / Zhengwang Zhang / Yiqiang Fu

Conservation Science and Practice, Vol 5, Iss 12, Pp n/a-n/a (2023)

2023

Abstract: Abstract Studies show that birds cognize human disturbance as a potential predation risk. However, the responses of breeding birds to long‐term continuous disturbance by research activities and whether researcher disturbance affects the fitness of target ...

Abstract	Abstract Studies show that birds cognize human disturbance as a potential predation risk. However, the responses of breeding birds to long‐term continuous disturbance by research activities and whether researcher disturbance affects the fitness of target species remain poorly understood. In this study, we used field observation data collected over 6 years to assess the potential impacts of research activities on nest‐site selection and nest success of the Emei Shan Liocichla (Liocichla omeiensis), a vulnerable babbler species endemic to Southwest China. Our results showed that Emei Shan Liocichlas tended to nest in taller nesting plants or the higher parts of nesting plants to increase nest‐site height following researcher disturbance. The average height of Emei Shan Liocichla nests increased by 52.2% over the 6‐year study period, from 129.8 ± 9.2 cm in 2009 (n = 11) to 197.5 ± 12.1 cm in 2015 (n = 18). While some pairs adopted a different strategy, placing their nests in Rosaceae plants with thorns instead of the bamboo Chimonobambusa szechuanensis (the favored nesting plant of the Emei Shan Liocichla) under high interference pressure, which made it more difficult for researchers to approach their nests. There were no significant differences both in clutch size and nest success between the low‐ and high‐disturbance groups. The study revealed the behavioral response pattern of breeding Emei Shan Liocichlas to researcher disturbance, which will contribute to conservation of this threatened songbird and the knowledge of reproductive strategies of birds. Developing specific guidelines for fieldwork and strengthening visitor management within its core habitat of Emei Shan Liocichla during breeding period should be considered.
Keywords	behavioral plasticity ; Liocichla omeiensis ; nest success ; nest‐site selection ; researcher disturbance ; Ecology ; QH540-549.5 ; General. Including nature conservation ; geographical distribution ; QH1-199.5
Subject code	590
Language	English
Publishing date	2023-12-01T00:00:00Z
Publisher	Wiley
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Bilateral translaminar osseous-channel assisted percutaneous full-endoscopic ligamentectomy decompression for thoracic myelopathy due to ossification of the ligamentum flavum

Zhijun Xin / Weijun Kong / Qian Du / Wenbo Liao

Videosurgery and Other Miniinvasive Techniques, Vol 16, Iss 2, Pp 429-

a technical note

2020 Volume 441

Keywords	bilateral translaminar osseous-channel ; full-endoscopic ligamentectomy decompression ; ossification of the ligamentum flavum ; thoracic myelopathy ; Medicine ; R
Language	English
Publishing date	2020-11-01T00:00:00Z
Publisher	Termedia Publishing House
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: The complete mitochondrial genome of Cycas debaoensis revealed unexpected static evolution in gymnosperm species.

Sadaf Habib / Shanshan Dong / Yang Liu / Wenbo Liao / Shouzhou Zhang

PLoS ONE, Vol 16, Iss 7, p e

2021 Volume 0255091

Abstract: Mitochondrial genomes of vascular plants are well known for their liability in architecture evolution. However, the evolutionary features of mitogenomes at intra-generic level are seldom studied in vascular plants, especially among gymnosperms. Here we ... ...

Abstract	Mitochondrial genomes of vascular plants are well known for their liability in architecture evolution. However, the evolutionary features of mitogenomes at intra-generic level are seldom studied in vascular plants, especially among gymnosperms. Here we present the complete mitogenome of Cycas debaoensis, an endemic cycad species to the Guangxi region in southern China. In addition to assemblage of draft mitochondrial genome, we test the conservation of gene content and mitogenomic stability by comparing it to the previously published mitogenome of Cycas taitungensis. Furthermore, we explored the factors such as structural rearrangements and nuclear surveillance of double-strand break repair (DSBR) proteins in Cycas in comparison to other vascular plant groups. The C. debaoensis mitogenome is 413,715 bp in size and encodes 69 unique genes, including 40 protein coding genes, 26 tRNAs, and 3 rRNA genes, similar to that of C. taitungensis. Cycas mitogenomes maintained the ancestral intron content of seed plants (26 introns), which is reduced in other lineages of gymnosperms, such as Ginkgo biloba, Taxus cuspidata and Welwitschia mirabilis due to selective pressure or retroprocessing events. C. debaoensis mitogenome holds 1,569 repeated sequences (> 50 bp), which partially account for fairly large intron size (1200 bp in average) of Cycas mitogenome. The comparison of RNA-editing sites revealed 267 shared non-silent editing site among predicted vs. empirically observed editing events. Another 33 silent editing sites from empirical data increase the total number of editing sites in Cycas debaoensis mitochondrial protein coding genes to 300. Our study revealed unexpected conserved evolution between the two Cycas species. Furthermore, we found strict collinearity of the gene order along with the identical set of genomic content in Cycas mt genomes. The stability of Cycas mt genomes is surprising despite the existence of large number of repeats. This structural stability may be related to the relative expansion of ...
Keywords	Medicine ; R ; Science ; Q
Subject code	580
Language	English
Publishing date	2021-01-01T00:00:00Z
Publisher	Public Library of Science (PLoS)
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Correction: Transcorporeal decompression using a fully-endoscopic anterior cervical approach to treat cervical spondylotic myelopathy: surgical design and clinical application.

Yanyan, Ma / Zhijun, Xin / Weijun, Kong / Longsheng, Zhang / Qian, Du / Wenbo, Liao

BMC musculoskeletal disorders

2023 Volume 24, Issue 1, Page(s) 68

Language	English
Publishing date	2023-01-25
Publishing country	England
Document type	Published Erratum
ZDB-ID	2041355-5
ISSN	1471-2474 ; 1471-2474
ISSN (online)	1471-2474
ISSN	1471-2474
DOI	10.1186/s12891-023-06180-9
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: The complete chloroplast genome of Edgeworthia chrysantha (Thymelaeaceae)

Shiou Yih Lee / Kewang Xu / Wenbo Liao / Qiang Fan

Mitochondrial DNA. Part B. Resources, Vol 5, Iss 3, Pp 3639-

2020 Volume 3640

Abstract: Edgeworthia chrysantha is a subtropical plant with significant medicinal value. Herein, we assembled and characterized the complete chloroplast genome of E. chrysantha as genomic resource for future study. The genome consisted a total length of 172,446 ... ...

Abstract	Edgeworthia chrysantha is a subtropical plant with significant medicinal value. Herein, we assembled and characterized the complete chloroplast genome of E. chrysantha as genomic resource for future study. The genome consisted a total length of 172,446 bp, comprising of a large single-copy (LSC) region of 85,527 bp, a small single-copy (SSC) region of 2871 bp, separated by two inverted repeat (IR) regions of 42,024 bp each; a total of 139 genes were predicted for the chloroplast genome. Phylogenetic analysis showed that E. chrysantha is placed at the base of the Daphne group of tribe Daphneae, within the family Thymelaeaceae.
Keywords	daphneae ; genomic resources ; illumina sequencing ; traditional medicine ; phylogenomics ; Genetics ; QH426-470
Language	English
Publishing date	2020-07-01T00:00:00Z
Publisher	Taylor & Francis Group
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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