2026 Jeffrey D. Palmer: Genetics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Genetics	131	251	242	132	127	231	53932

Research.com Recognitions

2005 - Fellow of John Simon Guggenheim Memorial Foundation
2000 - Member of the National Academy of Sciences
1999 - Fellow of the American Academy of Arts and Sciences

Overview

Jeffrey D. Palmer is affiliated with Indiana University in the United States. Their research spans several interconnected fields, predominantly within Agricultural and Biological Sciences, with a focus on Medicine as well. Key subfields include Plant Science, Infectious Diseases, Ecology, Evolution, Behavior and Systematics, Molecular Biology, and Surgery.

The scientist's research topics cover a range of biological phenomena and diseases. These include:

Plant Parasitism and Resistance
Photosynthetic Processes and Mechanisms
Cassava research and cyanide
Clostridium difficile and Clostridium perfringens research
Antimicrobial Resistance in Staphylococcus
Helicobacter pylori-related gastroenterology studies
Plant Diversity and Evolution

Frequently collaborating with colleagues such as M. Virginia Sanchez-Puerta, Caitlin L. Williams, Anchal Mehra, Rita Tamayo, and Pamela S. Soltis, Palmer has contributed to numerous scientific articles published in various venues.

Notable recent publications include:

"Horizontal gene transfers dominate the functional mitochondrial gene space of a holoparasitic plant" (2020, New Phytologist)
"Characterization of two co-regulated response regulators in Clostridioides difficile" (2025, Journal of Bacteriology)
"Phylogenetics of Seed Plants: An Analysis of Nucleotide Sequences from the Plastid Gene rbcL" (2021, ScholarWorks (Boise State University))
"A record-setting mitogenome in the holoparasitic plant Balanophora yakushimensis accompanied by exceptional loss of organellar DNA repair and recombination genes" (2025, BMC Biology)
"Characterization of two co-regulated response regulators in Clostridioides difficile." (2025, UNC Libraries)

These publications reflect a cross-disciplinary approach, particularly focused on plant molecular biology, microbial pathogens, and evolutionary studies.

Palmer's work appears in a range of publication venues, including:

New Phytologist
Journal of Bacteriology
ScholarWorks (Boise State University)
BMC Biology
UNC Libraries

Over their career, Palmer has been recognized by prestigious scientific organizations. They have been named a Fellow of the American Academy of Arts and Sciences in 1999, a Member of the National Academy of Sciences in 2000, and a Fellow of the John Simon Guggenheim Memorial Foundation in 2005.

The breadth of these recognitions indicates a longstanding engagement with foundational biological research, particularly at the intersection of plant and microbial sciences.

Best Publications

Investigating Deep Phylogenetic Relationships among Cyanobacteria and Plastids by Small Subunit rRNA Sequence Analysis

Seán Turner;Kathleen M. Pryer;Vivian P. W. Miao;Jeffrey D. Palmer

1680
Citations
Horizontal gene transfer in eukaryotic evolution

Patrick J. Keeling;Jeffrey D. Palmer

1551
Citations
The draft genome of the transgenic tropical fruit tree papaya (Carica papaya Linnaeus)

Ray Ming;Shaobin Hou;Yun Feng;Qingyi Yu

1287
Citations
Comparative organization of chloroplast genomes.

Jeffrey D. Palmer

1127
Citations
A Plastid of Probable Green Algal Origin in Apicomplexan Parasites

Sabine Köhler;Charles F. Delwiche;Paul W. Denny;Lewis G. Tilney

944
Citations
Perspectives on archaeal diversity, thermophily and monophyly from environmental rRNA sequences.

Susan M. Barns;Charles F. Delwiche;Jeffrey D. Palmer;Norman R. Pace

876
Citations
Phylogenetic relationships of Dipsacales based on rbcl sequences

Michael J Donoghue;Richard G Olmstead;James F Smith;Jeffrey D Palmer

864
Citations
Plant mitochondrial DNA evolved rapidly in structure, but slowly in sequence

Jeffrey D. Palmer;Laura A. Herbon

854
Citations
Chloroplast DNA systematics: a review of methods and data analysis

Richard G. Olmstead;Jeffrey D. Palmer

839
Citations
Rapid evolution of enormous, multichromosomal genomes in flowering plant mitochondria with exceptionally high mutation rates.

Daniel B. Sloan;Andrew J. Alverson;John P. Chuckalovcak;Martin Wu

819
Citations
Evolution of mitochondrial gene content: gene loss and transfer to the nucleus.

Keith L Adams;Jeffrey D Palmer

803
Citations
Function and evolution of a minimal plastid genome from a nonphotosynthetic parasitic plant

Kenneth H. Wolfe;Clifford W. Morden;Jeffrey D. Palmer

715
Citations
Animals and fungi are each other's closest relatives: congruent evidence from multiple proteins

Sandra L. Baldauf;Jeffrey D. Palmer

709
Citations
Chloroplast DNA variation and plant phylogeny.

Jeffrey D. Palmer;Robert K. Jansen;Helen J. Michaels;Mark W. Chase

676
Citations
CHAPTER 2 – Plastid Chromosomes: Structure and Evolution

Jeffrey D. Palmer

591
Citations
Chloroplast DNA evolution and the origin of amphidiploid Brassica species.

J. D. Palmer;C. R. Shields;D. B. Cohen;T. J. Orton

584
Citations
Chloroplast DNA Rearrangements Are More Frequent When a Large Inverted Repeat Sequence Is Lost

Jeffrey D. Palmer;William F. Thompson

577
Citations
Seed plant phylogeny inferred from all three plant genomes: Monophyly of extant gymnosperms and origin of Gnetales from conifers

Shu-Miaw Chaw;Christopher L. Parkinson;Yuchang Cheng;Thomas M. Vincent

567
Citations
Widespread horizontal transfer of mitochondrial genes in flowering plants

Ulfar Bergthorsson;Keith L. Adams;Keith L. Adams;Brendan Thomason;Brendan Thomason;Jeffrey D. Palmer

547
Citations
Tripartite structure of the Brassica campestris mitochondrial genome

Jeffrey D. Palmer;Clark R. Shields

546
Citations

Frequent Co-Authors

Yin Long Qiu University of Michigan–Ann Arbor

Jeffrey P. Mower University of Nebraska–Lincoln

Kenneth H. Wolfe University College Dublin

Claude W. dePamphilis Pennsylvania State University

Stephen R. Downie University of Illinois at Urbana-Champaign

Richard G. Olmstead University of Washington

William F. Thompson North Carolina State University

Saša Stefanović University of Toronto

Charles F. Delwiche University of Maryland, College Park

Clifford W. Morden University of Hawaii at Manoa

External Links

Wikipedia of Jeffrey D. Palmer Personal website of Jeffrey D. Palmer

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