2026 Karen E. Koch: Biology and Biochemistry Researcher – H-Index, Publications & Awards

D-Index & Metrics

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Biology and Biochemistry	49	17885	16412	7319	6533	114	12249

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Biology and Biochemistry

17885

16412

7319

6533

114

12249

Biology and Biochemistry

D-Index

Citations

12249

World Ranking

17885

National Ranking

7319

Overview

Karen E. Koch is affiliated with the University of Florida in the United States and has contributed extensively to the field of Agricultural and Biological Sciences, with a primary focus on Plant Science. Their work spans several subfields including Molecular Biology, Ecology, Evolution, Behavior and Systematics, Nutrition and Dietetics, and Cell Biology.

Their research covers a range of topics, notably:

Plant Parasitism and Resistance
Plant nutrient uptake and metabolism
Rice Cultivation and Yield Improvement
Plant responses to water stress
Plant and animal studies
Plant Molecular Biology Research
Chromosomal and Genetic Variations

Koch has published in several prominent academic venues. The most frequent publication venues include:

PLANT PHYSIOLOGY
Frontiers in Plant Science
The Plant Cell
Proceedings of the National Academy of Sciences
Science

Selected recent papers illustrate the scope and focus of their research. These include:

"Maize resistance to witchweed through changes in strigolactone biosynthesis," 2023, Science
"The sugar transporter ZmSUGCAR1 of the nitrate transporter 1/peptide transporter family is critical for maize grain filling," 2022, The Plant Cell
"BonnMu: A Sequence-Indexed Resource of Transposon-Induced Maize Mutations for Functional Genomics Studies," 2020, PLANT PHYSIOLOGY
"Causes and consequences of endogenous hypoxia on growth and metabolism of developing maize kernels," 2023, PLANT PHYSIOLOGY
"Maize domestication phenotypes reveal strigolactone networks coordinating grain size evolution with kernel-bearing cupule architecture," 2022, The Plant Cell

Koch has collaborated frequently with a number of researchers, including:

Jiahn-Chou Guan
Donald R. McCarty
Changsheng Li
Lemeng Dong
Eric A. Schmelz

Best Publications

CARBOHYDRATE-MODULATED GENE EXPRESSION IN PLANTS.

K. E. Koch

2384
Citations
Sucrose metabolism: regulatory mechanisms and pivotal roles in sugar sensing and plant development

Karen Koch

1631
Citations
Seed filling in domesticated maize and rice depends on SWEET-mediated hexose transport

Davide Sosso;Dangping Luo;Qin Bao Li;Joelle Sasse

505
Citations
Soluble Invertase Expression Is an Early Target of Drought Stress during the Critical, Abortion-Sensitive Phase of Young Ovary Development in Maize

Mathias Neumann Andersen;Folkard Asch;Yong Wu;Christian Richardt Jensen

358
Citations
Sucrose-Metabolizing Enzymes in Transport Tissues and Adjacent Sink Structures in Developing Citrus Fruit

Cadance A. Lowell;Patricia T. Tomlinson;Karen E. Koch

347
Citations
Sugar Levels Modulate Differential Expression of Maize Sucrose Synthase Genes.

Karen E. Koch;Kurt D. Nolte;Edwin R. Duke;Donald R. McCarty

332
Citations
Steady‐state transposon mutagenesis in inbred maize

Donald R. McCarty;Andrew Mark Settles;Masaharu Suzuki;Bao Cai Tan

301
Citations
Regulation of assimilate import into sink organs: update on molecular drivers of sink strength.

Saadia Bihmidine;Charles T Hunter;Christine E Johns;Karen E Koch

284
Citations
The maize W22 genome provides a foundation for functional genomics and transposon biology

Nathan M. Springer;Sarah N. Anderson;Carson M. Andorf;Kevin R. Ahern

233
Citations
Companion-Cell Specific Localization of Sucrose Synthase in Zones of Phloem Loading and Unloading

Kurt D. Nolte;Karen E. Koch

219
Citations
An Arabidopsis cell wall-associated kinase required for invertase activity and cell growth.

Bruce D. Kohorn;Masaru Kobayashi;Sue Johansen;Jeff Riese

212
Citations
Rapid Repression of Maize Invertases by Low Oxygen. Invertase/Sucrose Synthase Balance, Sugar Signaling Potential, and Seedling Survival

Ying Zeng;Yong Wu;Wayne T. Avigne;Karen E. Koch

209
Citations
Phosphorylation of serine-15 of maize leaf sucrose synthase. Occurrence in vivo and possible regulatory significance.

S. C. Huber;J. L. Huber;P. C. Liao;D. A. Gage

204
Citations
Carbon Cost of the Fungal Symbiont Relative to Net Leaf P Accumulation in a Split-Root VA Mycorrhizal Symbiosis.

David D. Douds;Charles R. Johnson;Karen E. Koch

203
Citations
Photosynthate Partitioning in Split-Root Citrus Seedlings with Mycorrhizal and Nonmycorrhizal Root Systems

Karen E. Koch;Charles R. Johnson

191
Citations
A Similar Dichotomy of Sugar Modulation and Developmental Expression Affects Both Paths of Sucrose Metabolism: Evidence from a Maize Invertase Gene Family.

Jian Xu;Wayne T. Avigne;Donald R. McCarty;Karen E. Koch

184
Citations
Carbon partitioning in sugarcane (Saccharum species).

Jianping Wang;Spurthi Nayak;Karen Koch;Ray Ming

179
Citations
Multiple paths of sugar-sensing and a sugar/oxygen overlap for genes of sucrose and ethanol metabolism

Karen E. Koch;Zeng Ying;Yong Wu;Wayne T. Avigne

178
Citations
Genetic Resources for Maize Cell Wall Biology

Bryan W. Penning;Charles T. Hunter;Reuben Tayengwa;Andrea L. Eveland

176
Citations
Differential regulation of sugar-sensitive sucrose synthases by hypoxia and anoxia indicate complementary transcriptional and posttranscriptional responses

Ying Zeng;Yong Wu;Wayne T. Avigne;Karen E. Koch

163
Citations