John R. Clark

Affiliation confirmed via AI analysis of OpenAlex, ORCID, and web sources.

High Impact

Executive Dean

University of Arkansas

Faculty Researcher

37 h-index 670 pubs 8,401 cited

Research Areas

Biomedical Subjects

Links

ORCID Lab Website Research Group

OverviewAI-generated summary

John R. Clark's research focuses on the genetic underpinnings of fruit quality and related traits in various berry species, including blackberry and muscadine grapes. His work has identified specific genetic loci associated with fruit quality characteristics, such as postharvest quality and the reversion of drupelets in blackberries. He also investigates the role of particular genes, like glutathione S-transferase, in determining berry color in grapes.

Clark's scholarly output includes studies on the effect of harvest time and fruit firmness on blackberry quality, as well as the genetic control of prickles in tetraploid blackberry. His research extends to identifying unique quality attributes of Arkansas-grown fresh-market blackberries and analyzing their phenolic and volatile compounds. His work has been published in numerous peer-reviewed journals, contributing to a body of work that has garnered significant citations and an h-index of 37.

He is a highly cited researcher and leads an active research group at the University of Arkansas at Fayetteville. His collaborations include extensive work with Margaret Worthington, Renee T. Threlfall, T. Mason Chizk, and Luke R. Howard, all affiliated with the University of Arkansas at Fayetteville.

Metrics

h-index: 37
Publications: 670
Citations: 8,401

Selected Publications

Runoff Water Quality Assessment from Furrow-Irrigated Rice Treated with Poultry Litter (2026)

DOI OpenAlex
Poultry-Litter Effects on the Change in Water-Stable Aggregation in Loamy Soils in Eastern Arkansas (2025)

DOI OpenAlex
Genetic control of sweetness and acidity in blackberry (2025)

Frontiers in Plant Science 5 citations DOI OpenAlex
ShinyFruit: interactive fruit phenotyping software and its application in blackberry (2023)

3 citations DOI OpenAlex
Genome-wide association identifies key loci controlling blackberry postharvest quality (2023)

Frontiers in Plant Science 14 citations DOI OpenAlex
Identifying Unique Quality Attributes of Arkansas-Grown Fresh-Market Blackberries (2023)

ACS Food Science & Technology 5 citations DOI OpenAlex
Phenolics and Volatiles in Arkansas Fresh-Market Blackberries (Rubus subgenus Rubus Watson) (2022)

ACS Food Science & Technology 5 citations DOI OpenAlex
Glutathione S-transferase: a candidate gene for berry color in muscadine grapes ( Vitis rotundifoli a ) (2022)

G3 Genes Genomes Genetics 6 citations DOI OpenAlex
Corrigendum: Multi-Locus Genome-Wide Association Studies Reveal Fruit Quality Hotspots in Peach Genome (2022)

1 citation DOI OpenAlex