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27 results for “agouti”
Figure 2 in Reproductive diseases in captive Agoutis (Dasyprocta leporina)
Figure 2. Necropsy of Adult Agouti with offspring in the right uterine horn and enlarged bladder (Source: Jones et al.,2020).
Supplementary Data for AGouTI - flexible Annotation of Genomic and Transcriptomic Intervals
<p>The data allows to replicate the use-case scenario described in the manuscript "AGouTI - flexible Annotation of Genomic and Transcriptomic Intervals" by Jan G. Kosiński and Marek Żywicki.</p>
Figure 1 in Reproductive diseases in captive Agoutis (Dasyprocta leporina)
Figure 1. Adult Agouti with hind-limbs of offspring protruding from the vulva.
Figure 4 in Reproductive diseases in captive Agoutis (Dasyprocta leporina)
Figure 4. Vaginal prolapse of a female agouti three weeks postpartum.
Figure 7 in Reproductive diseases in captive Agoutis (Dasyprocta leporina)
Figure 7. Fetuses with fetal membrane and placental attachments.
Figure 6 in Reproductive diseases in captive Agoutis (Dasyprocta leporina)
Figure 6. Bloody discharge found in the agouti upon presentation.
Figure 5 in Reproductive diseases in captive Agoutis (Dasyprocta leporina)
Figure 5. Vaginal prolapse inserted into the pelvic cavity postoperatively.
AGouTI - example use-case scenario
<p>Dataset used in the example use-case scenario of the AGouTI pipeline (<a href="https://github.com/zywicki-lab/agouti">https://github.com/zywicki-lab/agouti</a>)</p>
Agouti reintroduction recovers seed dispersal of a large-seeded tropical tree
<p>The aim of animal reintroductions has mainly been species recovery; only few reintroduction initiatives focus on ecosystem restoration. Therefore, reintroduction consequences on ecological interactions are seldom assessed. We used the interaction between a reintroduced population of agoutis (<i>Dasyprocta leporina</i>) and a vulnerable tropical endemic tree (<i>Joannesia princeps</i>) to examine reintroduction effects on seed dispersal and seedling establishment. To test the outcomes of this interaction we tracked seeds of <i>J. princeps</i> in two adjacent forest areas with and without reintroduced agoutis. We also assessed if dispersal distances affected seedling survival. To determine seed fate and dispersal distance we used spool-and-line tracking, together with camera traps to identify dispersers. Agoutis were the only species removing <i>J. princeps</i> seeds, thus dispersal only occurred where agoutis had been reintroduced; in the area without agoutis, all seeds remained intact on the soil, even one year after the experiment's beginning. At the reintroduction area, most seeds were preyed upon by agoutis but 7% remained dispersed and 2% germinated after ten months. Only seeds buried by agoutis were able to germinate. Most dispersed seeds were disperse 15 m or farther and longer dispersal distances benefited <i>J. princeps</i>, since seedlings farther from a conspecific adult tree had greater survival probability. Agoutis were also seen burying seeds of two other plant species; these mammals have the potential to benefit dozens of large-seeded species in our study system<span>. </span>Agouti reintroduction thus exemplifies the value of trophic rewilding programs to re-establish ecological interactions and restore ecosystem functioning.</p>
Data from: Epistatic interaction of the melanocortin 1 receptor and agouti signaling protein genes modulates wool color in the Brazilian Creole sheep
Different pigmentation genes have been associated with color diversity in domestic animal species. The melanocortin 1 receptor (MC1R), agouti signaling protein (ASIP), tyrosinase related protein-1 (TYRP1) and v-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene homolog (KIT) genes are candidate genes responsible for variation in wool color among breeds of sheep. Although the influence of these genes has been described in some breeds, in many others the effect of interactions among genes underlying wool color has not been investigated. The Brazilian Creole sheep is a local breed with a wide variety of wool color, ranging from black to white with several intermediate hues. We analyzed in this study the influence of the genes MC1R, ASIP, TYRP1 and KIT on the control of wool color in this breed. A total of 410 samples were analyzed, including 148 white and 262 colored individuals. The MC1R and ASIP polymorphisms were significantly associated with the segregation of either white or colored wool. The dominant MC1R allele (ED p.M73K and p.D121N) was present only in colored animals. All white individuals were homozygous for the MC1R recessive allele (E+) and carriers of the duplicated copy of ASIP. A gene expression essay showed that only the carrier of the duplicated copy of ASIP produces increased levels in skin, not detectable in the single homozygous copy. These results demonstrate that the epistatic interaction of the genotypes in the MC1R and ASIP gene is responsible for the striking color variation in the Creole breed.
On following pages: 4. Roatan Island Agouti (Dasyprocta ruatanica); 5. Black Agouti (Dasyprocta fuliginosa); 6. Common Red-rumped Agouti (Dasyprocta leporina); 7. Guamara Agouti (Dasyprocta guamara); 8. Orange Agouti (Dasyprocta croconota); 9. Black-rumped Agouti (Dasyprocta prymnolopha); 10. lack's Red-rumped Agouti (Dasyprocta iacki); 11. Brown Agouti (Dasyprocta variegata); 12. Kalinowski's Agouti (Dasyprocta kalinowskii); 13. Azara's Agouti (Dasyprocta azarae); 14. Red Acouchy (Myoprocta acouchy); 15. Green Acouchy (Myoprocta pratt). in Dasyproctidae
On following pages: 4. Roatan Island Agouti (Dasyprocta ruatanica); 5. Black Agouti (Dasyprocta fuliginosa); 6. Common Red-rumped Agouti (Dasyprocta leporina); 7. Guamara Agouti (Dasyprocta guamara); 8. Orange Agouti (Dasyprocta croconota); 9. Black-rumped Agouti (Dasyprocta prymnolopha); 10. lack's Red-rumped Agouti (Dasyprocta iacki); 11. Brown Agouti (Dasyprocta variegata); 12. Kalinowski's Agouti (Dasyprocta kalinowskii); 13. Azara's Agouti (Dasyprocta azarae); 14. Red Acouchy (Myoprocta acouchy); 15. Green Acouchy (Myoprocta pratt).
Agouti camera trap data Paul Braun
<p>Personal Agouti camera trap data collected by Paul Braun.</p>
Agouti-related Peptide (AgRP) in Healthy Mothers and Mothers With Preeclampsia and Their Offspring
ClinicalTrials.gov study NCT01042210. IPD Sharing: Not stated. Countries: 1. Publications: 4.
Data from: Epistatic interaction of the melanocortin 1 receptor and agouti signaling protein genes modulates wool color in the Brazilian Creole sheep
Open the record for dataset details and reuse information.
Agouti reintroduction recovers seed dispersal of a large-seeded tropical tree
Open the record for dataset details and reuse information.
Data from: Agouti-related peptide 2 facilitates convergent evolution of stripe patterns across cichlid fish radiations
The color patterns of African cichlid fishes provide notable examples of phenotypic convergence. Across the more than 1200 East African rift lake species, melanic horizontal stripes have evolved numerous times. We discovered that regulatory changes of the gene agouti-related peptide 2 (agrp2) act as molecular switches controlling this evolutionarily labile phenotype. Reduced agrp2 expression is convergently associated with the presence of stripe patterns across species flocks. However, cis-regulatory mutations are not predictive of stripes across radiations, suggesting independent regulatory mechanisms. Genetic mapping confirms the link between the agrp2 locus and stripe patterns. The crucial role of agrp2 is further supported by a CRISPR-Cas9 knockout that reconstitutes stripes in a nonstriped cichlid. Thus, we unveil how a single gene affects the convergent evolution of a complex color pattern.
Figure 8 in Reproductive diseases in captive Agoutis (Dasyprocta leporina)
Figure 8. Fetuses found in the left horn weighing 165g and 235g (Note the distorted face on the bottom fetus).
Figure 3. Two agouti offspring weighing 200 g in Reproductive diseases in captive Agoutis (Dasyprocta leporina)
Figure 3. Two agouti offspring weighing 200 g each found in the left uterine horn. (Source: Jones et al., 2020).
Data from: Agouti-related peptide 2 facilitates convergent evolution of stripe patterns across cichlid fish radiations
Open the record for dataset details and reuse information.
Agouti and BMP signaling drive a naturally occurring fate conversion of melanophores to leucophores in zebrafish
GEO Series GSE282061. Danio rerio. 10 samples. Type: Expression profiling by high throughput sequencing.
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