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55 results for “bullfrog”
FIGURE 4 in Three interesting fungi from American bullfrog larvae (Rana catesbeiana) in Yunnan, China
FIGURE 4. Boothiella tetraspora (HKAS 125767). a Colony on PDA for one month. b, c Close-up of ascomata. d Hyphae. e, f Ascomata. g–k Asci. l–o Ascospores. Scale bars: f = 300 μm; e = 200 μm; g–k = 50 μm; d, m–o = 20 μm; i = 10 μm.
FIGURE 3 in Three interesting fungi from American bullfrog larvae (Rana catesbeiana) in Yunnan, China
FIGURE 3. Phylogram of Trichoderma virens and closely related species constructed based on combined ITS, tef1-α and rpb2 sequences. The tree is rooted with Protocrea farinosa (CPK 3144) and P. illinoensis (TFC 96-98). The BI and ML bootstrap support values above 0.95 BYPP and 60 % are shown at the first and second positions above the nodes. The newly generated strain is in red.
FIGURE 2 in Three interesting fungi from American bullfrog larvae (Rana catesbeiana) in Yunnan, China
FIGURE 2. Phylogram of Sordariaceae were constructed based on combined ITS, LSU and tub2 sequences. Related sequences were taken from Phukhamsakda et al. (2020) and Huang et al. (2021). The tree is rooted with Chaetomium globosum (CBS 160.62) and C. microthecia (LC4685). The BI and ML bootstrap support values equal to or above 0.90 BYPP and 60 % are shown at the first and second positions above the nodes. Type strains are in bold, and newly generated strains are in red.
FIGURE 1. a in Three interesting fungi from American bullfrog larvae (Rana catesbeiana) in Yunnan, China
FIGURE 1. a The pond in Qujing Normal University. b A dead American bullfrog larvae floating on pond. c, d The dead larvae. e The dead larvae in sterilized water.
Data from: More invaders do not result in heavier impacts: the effects of nonnative bullfrogs on native anurans are mitigated by high densities of nonnative crayfish
1.With accelerating species introductions in an era of globalization, co-occurring alien species have become increasingly common. Understanding the combined ecological impacts of multiple invaders is not only crucial for wildlife managers attempting to ameliorate biodiversity loss but also provides key insights into invasion success and species coexistence mechanisms in natural ecosystems. Compared with much attentions given to single invader impacts, little is known about the impacts of multiple co-occurring invaders. 2.The American bullfrog (Lithobates catesbeianus = Rana catesbeiana) and the red swamp crayfish (Procambarus clarkii) are two aquatic invasive species in many different areas of the globe. They co-exist with native anurans in a variety of permanent lentic waters, which provide an ideal model system to explore the combined effects of multiple invaders from different trophic levels on native species. 3.Based on a global diet analysis covering 34 native and invasive bullfrog populations, and data from 10-year field surveys across 157 water bodies in the Zhoushan Archipelago, China, we observed a reduced impact of bullfrogs on native anurans at high crayfish densities when the two invaders co-occurred. 4.The global diet analysis showed that crayfish occurrence reduced the number of native anuran prey consumed by bullfrogs in both native and invasive populations. After accounting for pseudoreplication of different observations among water bodies, islands, and survey time, model averaging analyses based on generalized linear mixed models (GLMMs) showed a negative relationship between bullfrog density and native anuran densities for field observations of invasive bullfrogs alone and co-invaded observations with low crayfish density. However, this negative relationship disappeared when the two invaders co-occurred with high crayfish density. Structural equation modeling (SEM) analyses further validated that the impacts of bullfrogs on native frogs were mitigated by the negative interactions between crayfish and bullfrogs. 5.Our results provide novel evidence of a density-dependent antagonistic effect of two sympatric invaders from different trophic levels on native species. This study highlights the importance of considering complex interactions among co-invaders and native species when prioritizing conservation and management actions and will facilitate the development of a more precise framework to predict invasion impacts.
Figure 3 in Heart rate response and bimodal gas eXchange in three developmental stages of the bullfrog Lithobates catesbeianus (Anura: Ranidae)
Figure 3. Heart rate (fH) variation during the experiment (A) and individual fH (B) in larval (blue line and points), premetamorphosis (orange line and points) and metamorphed individuals (green line and points) of Lithobates catesbeianus. All bars represent mean ± s.e.m.
Fig. 1 in Genotypes and zoonotic potential of Enterocytozoon bieneusi in edible bullfrogs (Lithobates catesbeiana) in China
Fig. 1. Nucleotide sequence analysis of the newly identified E. bieneusi genotypes (BLC1 to BLC19) based on the ITS regions, as compared with the known genotype EbpC (AF135832) (synonym with genotype E).
Rana catesbeiana (Lithobates catesbeianus) American bullfrog Genome Version 4
<p>Further assembly refinement of Bruno (adult male bullfrog) using 10X Chromium long reads from Bruno Jr. (younger adult male bulfrog). Earlier versions of the genome are available at NCBI Genbank under accession LIAG00000000, BioProject PRJNA285814. </p>
Data from: Monitoring groundwater levels in Oasis Valley, NV, and evaluating potential drawdown during the North Bullfrog aquifer test
Open the record for dataset details and reuse information.
Data from: More invaders do not result in heavier impacts: the effects of nonnative bullfrogs on native anurans are mitigated by high densities of nonnative crayfish
Open the record for dataset details and reuse information.
Bullfrog occurrence records downloaded from GBIF
<p>Raw download file from the Global Biodiversity Information Facility (accessed on 2014-11-18) of 15,299 georeferenced bullfrog (<em>Lithobates catesbeianus</em>) occurrence records with valid coordinates. The file was generated using these search parameters: http://www.gbif.org/occurrence/search?HAS_COORDINATE=true&TAXON_KEY=2427091&HAS_GEOSPATIAL_ISSUE=false. Accessing this URL will perform a new search, which might generate different results.</p>
Lower-Limb Adventitial Infusion of DexaMethasone Via Bullfrog to Reduce Occurrence of Restenosis After Atherectomy (ATX)-Based Revascularization
ClinicalTrials.gov study NCT02479620. IPD Sharing: YES. Countries: 1. Publications: 0.
Lower-Limb Adventitial Infusion of DexaMethasone Via Bullfrog to Reduce Occurrence of Restenosis After Percutaneous Transluminal Angioplasty Revascularization
ClinicalTrials.gov study NCT02479555. IPD Sharing: NO. Countries: 1. Publications: 0.
Effects of Acute Exposure to the Non-steroidal Anti-inflammatory Drug Ibuprofen on the Developing North American Bullfrog (Rana catesbeiana) Tadpole
GEO Series GSE53565. Lithobates pipiens; Xenopus laevis; Aquarana catesbeiana. 24 samples. Type: Expression profiling by array.
Impact of exposure to environmentally-relevant concentrations of ionic silver and nanosilver on thyroid hormone-dependent postembryonic development of the North American bullfrog (Rana catesbeiana)
GEO Series GSE56523. Lithobates pipiens; Xenopus laevis; Aquarana catesbeiana. 72 samples. Type: Expression profiling by array.
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International Brain Laboratory public data
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OpenNeuro
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