sRNA_seq_clean_thrips_leafdiscs_timeseries
Plant Signaling
Thrips silently devastate tomatoes, peppers, and basil in home gardens before you notice the silvery streaking on leaves — understanding the hour-by-hour molecular alarm a tomato fires could one day help breeders grow varieties that shut thrips down before real damage sets in.
Thrips are tiny insects — barely visible to the naked eye — that scar tomato leaves and spread plant diseases. In this experiment, scientists put thrips on small tomato leaf pieces and collected samples at 3, 6, 9, and 12 hours to catch the plant's response as it unfolded. They also sequenced the thrips themselves, including their salivary glands and eggs, to see what molecular signals travel in both directions between pest and plant.
Key Findings
40 tomato leaf disc samples were collected at four timepoints (3, 6, 9, 12 hours post-infestation), providing a high-resolution timeline of the plant immune response to thrips feeding
Thrips tissues — whole insects, heads enriched for salivary glands, and eggs — were sequenced alongside plant tissue, enabling analysis of bidirectional small RNA exchange between pest and host
Both small RNAs and messenger RNAs were co-extracted from every sample, allowing simultaneous profiling of regulatory and protein-coding gene responses in a single experiment
chevron_right Technical Summary
Scientists tracked how tomato plants respond molecularly to thrips feeding over 12 hours, capturing small RNA signals in both the plant and the insect at four timepoints. The dataset maps the earliest molecular conversation between a major crop pest and its host plant.
Abstract Preview
2023-03 Timeseries experiment with clean thrips on leafdiscs of tomato MoneyMaker plants. srna and mrna were extracted with the kit 'NucleoSpin miRNA, Mini kit for miRNA and RNA purification'.<br> ...
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