Rhizosphere Bacterial Community Shifts for Summer Legume Cover Crops

An organic production system study comparing rhizosphere bacterial communities associated with cowpea, tepary bean, and sunn hemp legume cover crops against fallow soils. The dataset, authored by Sri Kiran Reddy Alla and last updated in May 2026, likely contains results from 16S rRNA amplicon sequencing and functional predictions using PICRUSt2.

Use Cases

• Analyzing shifts in bacterial community composition based on relative abundance of taxa like Proteobacteria and Actinobacteriota.
• Comparing species-specific recruitment patterns, such as Rhizobiales abundance under tepary bean.
• Investigating predicted functional pathways related to carbon metabolism, amino acid biosynthesis, and nitrogen metabolism.
• Assessing community variation between cover-cropped and fallow soils based on Weighted UniFrac analyses.

Strengths

• Data is derived from 16S rRNA amplicon sequencing, a standard method for microbial community profiling.
• Functional predictions were generated using the PICRUSt2 bioinformatics tool.
• Weighted UniFrac analysis accounted for approximately 54% of community variation.
• Dataset is openly available under a CC-BY-4.0 license.

Limitations

• Row count and column-level documentation are absent; field semantics must be inferred after download.
• The dataset is very small at 15.6 KB, indicating limited scope and likely summary-level results.
• Geographic location and specific temporal coverage of the study are not provided.

Provenance

Source

figshare

Collection Method

16S rRNA amplicon sequencing and PICRUSt2 functional prediction.

Time Range

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Freshness

Last updated 2026-05-01 15:41:57; freshness should be verified.

Geography

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