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Data · dataset · 2026

Integrating Electrical Activities of Heart and Stomach with gut microbial composition to Evaluate the Association of Gut-Heart Axis Modulation with Thermoregulation of Hyperthermic Rats

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Metagenomics study of the samplesThe 16S rRNA gene amplification of V3-V4 region by PCR was carried out using a composition of TAQ master mix i.e., DNA polymerase, 0.5mM dNTPs, 3.2mM MgCl2 and PCR enzyme buffer.

Description

Furthermore, 5’AGAGTTTGATGMTGGCTCAG 3’ and 5’TTACCGCGGCMGCSGGCAC 3’ used as forward and reverse primers, respectively. 40ng of the purified DNA was used as the PCR amplification template with 10pM of both the primers and the triplicates were done for obtaining the best result using protocol: preheating at 95℃ for 3 minutes; 25 cycles of denaturation at 95℃ for 15 seconds, annealing at 60℃ for 15 seconds, elongation at 72℃ for 2 minutes and the final extension was carried out at 72℃ for 10 minutes then held at 4℃.

Now, the amplified 16s PCR product were subsequently used for the downstream analyses and for the quality check subjected to Nano Drop QC (Thermo Fisher Scientific, Waltham, MA, USA) reading of 260/280 at a value of approximately 1.8 to 2. The amplicons from each sample were purified with Ampure beads to remove unused primers and an additional 8 cycles of PCR was performed using Illumina barcoded adapters to prepare the sequencing libraries.

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Libraries were purified using Ampure beads and quantitated using Qubit dsDNA High Sensitivity assay kit (Thermo Fisher Scientific, Waltham, MA, USA). The sequencing of V3-V4 hypervariable region of 16S rRNA amplicon was performed using Illumina Miseq with 2x300PE v3-v4 reagent kit (Illumina, Inc., San Diego, CA, USA).Taxonomy and Diversity Profiling The sequence analysis, microbial diversity within the group, alpha diversity including Chao1, OTUs, Shannon diversity index and the beta diversity were assessed using QIIME software package version 1.8.0 (qiime.org/).

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Catalogue records · 1

Topics

Inferred from text
Evolutionary biology 73% · Heart 75% · Sequencing 75%
Provenance · 1 source records, 13 field assertions
SourceKeyLast seenRaw
ScienceDB10.57760/sciencedb.0142i9 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · scidb cnconnector:scidb_cn@1.0.0
concepts[anatomy].local:anatomy:heartenrichment · scidb cnkeyword-concept-rules@1.0.0title+description (75%)
concepts[field].anzsrc:group:3104enrichment · scidb cntaxonomy-embedding@1.0.0title+keywords+description (73%)
concepts[field].local:field:earth-environmentalmapping · scidb cnconnector:scidb_cn@1.0.0
concepts[field].local:field:engineeringmapping · scidb cnconnector:scidb_cn@1.0.0
concepts[field].local:field:humanitiesmapping · scidb cnconnector:scidb_cn@1.0.0
concepts[field].local:field:life-sciencesmapping · scidb cnconnector:scidb_cn@1.0.0
concepts[field].local:field:social-sciencemapping · scidb cnconnector:scidb_cn@1.0.0
concepts[modality].local:modality:sequencingenrichment · scidb cnkeyword-concept-rules@1.0.0title+description (75%)
descriptionsource · scidb cnconnector:scidb_cn@1.0.0/metadata/dc/description
license_textsource · scidb cnconnector:scidb_cn@1.0.0
publication_datesource · scidb cnconnector:scidb_cn@1.0.0
titlesource · scidb cnconnector:scidb_cn@1.0.0/metadata/dc/title