High temperature attenuates testicular responses in tree sparrow (Passer montanus)

Renthlei, Zothanmawii; Hmar, Lalruatthara; Trivedi, Amit Kumar

doi:10.1016/j.ygcen.2020.113654

Cited by 13 publications

(10 citation statements)

References 69 publications

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“…TSH acts on the ependyrocytes of the hypothalamus and promotes the transformation of T4 into T3, which regulates the generation and secretion of GnRH/GnIH in the hypothalamus. Furthermore, seasonal reproductive activities are regulated by pituitary FSH and LH secretion ( Yoshimura, 2010 ; Dixit and Byrsat, 2018 ; Renthlei et al, 2021 ). Studies in chicken, spotted munia, black-headed buntings, and Hungarian white geese ( Kang and Kuenzel, 2015 ; Mishra et al, 2017 , 2018 ; Zhu et al, 2019 ) suggest that long-day photoperiodic treatment stimulated the increase of OPN5 cell number and gene expression abundance.…”

Section: Discussionmentioning

confidence: 99%

Long-day photoperiods affect expression of OPN5 and the TSH-DIO2/DIO3 pathway in Magang goose ganders

et al. 2022

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Section: Discussionmentioning

confidence: 99%

Long-day photoperiods affect expression of OPN5 and the TSH-DIO2/DIO3 pathway in Magang goose ganders

et al. 2022

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“…KEGG pathway analysis also showed that these DEGs were associated with thyroid hormones. DIO3 was found in the thyroid hormone signaling pathway, and DIO3 is critical for the maturation and function of the thyroid axis 15,16 . Another thyroid-related pathway, i.e., thyroid hormone synthesis (including TSHR, CREB3L1, GPX7, and ADCY3), also appeared to be crucial in this study, as these genes showed signi cantly higher expression levels in the L group than in the S group.…”

Section: Discussionmentioning

confidence: 99%

Identifying Molecular Pathways and Candidate Genes Associated With Knob Traits by Transcriptome Analysis in the Goose (Anser Cygnoides)

Zhao

et al. 2021

Preprint

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Anser cygnoides has a spherical crest on the beak roof, which is described as knob. However, the mechanisms affecting knob morphology are unclear. Here, we investigated the phenotypic characteristics and molecular basis of knob-size differences in Yangzhou geese. The bony crest of konb was found in the frontal area of the skull, rather than hump of upper beak. Although the knob length, width, and height varied greatly in geese with different knob phenotypes, growth of the bony crest was mainly reflected in the length and height, but not the width. Histological analysis showed that knob skin in large-size knobs geese have a greater length in the stratum corneum, stratum spinosum, and stratum reticular. Transcriptome profiling revealed 415 differentially expressed genes involved in knob growth and development. In addition, GO enrichment and KEGG pathway analysis revealed 455 significant GO terms and 210 enriched KEGG pathways. We focused on the TGF-β-signaling and thyroid hormone synthesis-signaling KEGG pathways. Geese with larger knobs had increased ADCY3, TSHR, DCN, and BMP5 mRNA-expression levels, suggesting that both pathways (and the associated genes) mediate knob growth and development. Our data provide comprehensive molecular determinants of knob size, which can potentially be used to promote the genetic improvement of goose knobs to meet consumer preferences.

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“…Genespecific primers (Supplementary Table 1) were designed from the sequences using Primer 3 plus online primer design program (Bosto, MA, USA). qPCR was performed on Quant-Studio 5 (Applied Biosystem by Thermo Fisher Scientific, Foster City, CA, USA) as detailed in our previous publications [7,[39][40][41]. PCR reaction volume of 7 uL for each gene comprised 1 uL each of cDNA, gene-specific forward and reverse primers, 3 uL Power UpTM SYBR Green Master Mix (Applied Biosystem by Thermo Fisher Scientific, Foster City, CA, USA, A25742), and 1 uL of nucleasefree water (Ambion, AM9938).…”

Section: Rna Isolation Cdna Synthesis and Quantitative (Real-time) Rt...mentioning

confidence: 99%

“…Most of the species engaged in seasonal breeding have an adoptive strategy to optimize the timing of reproductive behavior and physiology to ensure the successful propagation of the species [2][3][4]. Changes in environmental factors such as photoperiod, temperature, and food availability act on the upper brain center (hypothalamus) to regulate the synthesis and secretion of neuropeptides involved in reproduction [2,[5][6][7][8]. Photoperiod is considered the primary reliable cue to entrain seasonal reproduction, and supplementary environmental cues, such as temperature, fine-tune the timing of breeding [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

“…Increased hypothalamic T3 leads to retracting tanycyte cell innervation from the median eminence and permits gonadotropin-releasing hormone (GnRH) to-pituitary gland signaling [23]. Photoperiodic regulation of these molecules appears to be a conserved mechanism in vertebrates [7,24]. However, no such mechanism has been revealed in the amphibian system.…”

Section: Introductionmentioning

confidence: 99%

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Molecular and epigenetic regulation of seasonal reproduction in Terai tree frog (Polypedates teraiensis)

Borah

Renthlei

Tripathi

et al. 2022

Photochem Photobiol Sci

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Seasonal breeders predominantly use photoperiod as the predictable environmental cue to time their reproduction. Terai tree frogs are long-day seasonal breeders, but the molecular mechanism is unknown. We tested the role of different photoperiodic conditions on expression levels of candidate genes involved in seasonal reproduction and epigenetic regulation. Four experiments were performed. In experiment 1, frogs were exposed to long (LD: 16L:8D) or short photoperiod (SD: 8L:16D). In experiment 2, animals were procured at four different phases of breeding, i.e., during April (emergence just after hibernation), June (breeding phase), August (post-breeding), and October (just before hibernation). In experiments 3 and 4, frogs were exposed to equinox photoperiod but different (10, 100, or 500 lx) light intensities (exp. 3) or wavelength (red: 640 nm, green: 540 nm, blue: 450 nm or white; exp. 4). After 2 weeks, animals were euthanized, and their brain was harvested. mRNA levels of transcripts involved in photoperiodic transduction (Eya3 and Opn5), reproduction (Tshß, GnRH, Dio2, and Dio3), and epigenetics regulation (Dnmt1, Dnmt3a, Hdac1, Hdac3, and Tet2) were measured. Results show that LD promotes the upregulation of Eya3, Opn5, Tshß, GnRH, and Dio2. Differential expression of Opn5 during LD and SD suggests its involvement in light perception. Dio3 levels were upregulated in SD (exp.1) and during the post-breeding phase (exp. 2). These results employ the limited role of light intensity and spectrum in reproduction. This is the first study showing molecular machinery involved in the amphibian system's seasonal reproduction and epigenetic regulation.

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High temperature attenuates testicular responses in tree sparrow (Passer montanus)

Cited by 13 publications

References 69 publications

Long-day photoperiods affect expression of OPN5 and the TSH-DIO2/DIO3 pathway in Magang goose ganders

Long-day photoperiods affect expression of OPN5 and the TSH-DIO2/DIO3 pathway in Magang goose ganders

Identifying Molecular Pathways and Candidate Genes Associated With Knob Traits by Transcriptome Analysis in the Goose (Anser Cygnoides)

Molecular and epigenetic regulation of seasonal reproduction in Terai tree frog (Polypedates teraiensis)

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