World's Best Scientists 2026 revealed!

D-Index & Metrics

Molecular Biology

D-Index
60
Citations
8870
World Ranking
1991
National Ranking
991

Overview

George A. Kassavetis is a researcher affiliated with the University of California, San Diego in the United States. Their work primarily spans the fields of Biochemistry, Genetics and Molecular Biology, with contributions also noted in related subfields such as Molecular Biology, Ecology, Evolution, Behavior and Systematics, and Cell Biology.

Kassavetis's research explores key topics including:

  • Genomics and Chromatin Dynamics
  • RNA Research and Splicing
  • Ubiquitin and proteasome pathways
  • Tardigrade Biology and Ecology
  • Hemoglobin structure and function

The scholar has published several papers, with recent works focusing on molecular mechanisms related to transcription and nucleosome recognition. Notable recent publications include:

  • "NDF is a transcription factor that stimulates elongation by RNA polymerase II" (2022) published in Genes & Development
  • "Structural basis of nucleosome recognition by the conserved Dsup and HMGN nucleosome-binding motif" (2025) published in Genes & Development

Kassavetis's work has appeared frequently in the journal Genes & Development, highlighting a recurring engagement with this prominent publication venue. Their collaborative research efforts include frequent co-authorship with several researchers, among whom James T. Kadonaga is noted as most prominent with two joint publications. Other frequent collaborators include Jia Fei, Jun Xu, Ziwei Li, and Kevin Xu.

The research by Kassavetis contributes to a deeper understanding of molecular and cellular processes, particularly those involving chromatin structure and gene expression regulation. Their interdisciplinary approach integrates aspects of biochemistry and genetics to address complex biological questions.

Best Publications

  • S. cerevisiae TFIIIB is the transcription initiation factor proper of RNA polymerase III, while TFIIIA and TFIIIC are assembly factors

    G A Kassavetis;B R Braun;L H Nguyen;E P Geiduschek

  • The RNA polymerase III transcription apparatus.

    E P Geiduschek;G A Kassavetis

  • Transcription factor IIIB generates extended DNA interactions in RNA polymerase III transcription complexes on tRNA genes.

    G A Kassavetis;D L Riggs;R Negri;L H Nguyen

  • The role of the TATA-binding protein in the assembly and function of the multisubunit yeast RNA polymerase III transcription factor, TFIIIB

    George A. Kassavetis;Claudio A.P. Joazeiro;Marina Pisano;E.Peter Geiduschek

  • Mechanism of Transcription Through the Nucleosome by Eukaryotic RNA Polymerase

    Vasily M. Studitsky;Vasily M. Studitsky;George A. Kassavetis;George A. Kassavetis;E. Peter Geiduschek;E. Peter Geiduschek;Gary Felsenfeld;Gary Felsenfeld

  • Molecular Basis of RNA Polymerase III Transcription Repression by Maf1

    Alessandro Vannini;Rieke Ringel;Anselm G. Kusser;Otto Berninghausen

  • The subunit structure of Saccharomyces cerevisiae transcription factor IIIC probed with a novel photocrosslinking reagent.

    Blaine Bartholomew;G. A. Kassavetis;B. R. Braun;E. P. Geiduschek

  • Two components of Saccharomyces cerevisiae transcription factor IIIB (TFIIIB) are stereospecifically located upstream of a tRNA gene and interact with the second-largest subunit of TFIIIC.

    B Bartholomew;G A Kassavetis;E P Geiduschek

  • Two essential components of the Saccharomyces cerevisiae transcription factor TFIIIB: transcription and DNA-binding properties.

    G A Kassavetis;B Bartholomew;J A Blanco;T E Johnson

  • Analysis of RNA chain elongation and termination by Saccharomyces cerevisiae RNA polymerase III

    Matsuzaki H;Kassavetis Ga;Geiduschek Ep

  • A transcriptional enhancer whose function imposes a requirement that proteins track along DNA.

    Herendeen Dr;Kassavetis Ga;Geiduschek Ep

  • Orientation and topography of RNA polymerase III in transcription complexes.

    B Bartholomew;D Durkovich;G A Kassavetis;E P Geiduschek

  • The punctilious RNA polymerase II core promoter.

    Long Vo Ngoc;Yuan-Liang Wang;George A Kassavetis;James T Kadonaga

  • Enhancement of bacteriophage T4 late transcription by components of the T4 DNA replication apparatus.

    D R Herendeen;G A Kassavetis;J Barry;B M Alberts

  • Human TFIID binds to core promoter DNA in a reorganized structural state

    Michael A. Cianfrocco;George A. Kassavetis;Patricia Grob;Jie Fang

  • Cloning, expression, and function of TFC5, the gene encoding the B" component of the Saccharomyces cerevisiae RNA polymerase III transcription factor TFIIIB.

    G A Kassavetis;S T Nguyen;R Kobayashi;A Kumar

  • Alternative outcomes in assembly of promoter complexes: the roles of TBP and a flexible linker in placing TFIIIB on tRNA genes.

    C. A. P. Joazeiro;G. A. Kassavetis;E. P. Geiduschek

  • Topography of transcription factor complexes on the Saccharomyces cerevisiae 5 S RNA gene.

    Burkhard R. Braun;Blaine Bartholomew;George A. Kassavetis;E.Peter Geiduschek

  • Crystal structure of a transcription factor IIIB core interface ternary complex.

    Z. Sean Juo;George A. Kassavetis;Jimin Wang;E. Peter Geiduschek

  • Multiple states of protein-DNA interaction in the assembly of transcription complexes on Saccharomyces cerevisiae 5S ribosomal RNA genes.

    B R Braun;D L Riggs;G A Kassavetis;E P Geiduschek

Frequent Co-Authors

E P Geiduschek
E P Geiduschek University of California, San Diego
James T. Kadonaga
James T. Kadonaga University of California, San Diego
Michael J. Chamberlin
Michael J. Chamberlin University of California, Berkeley
Eva Nogales
Eva Nogales University of California, Berkeley
Wei Wang
Wei Wang University of California, San Diego
Arnold J. Berk
Arnold J. Berk University of California, Los Angeles
Richard J. Maraia
Richard J. Maraia National Institutes of Health
Bing Ren
Bing Ren New York Genome Center
Ashok Kumar
Ashok Kumar Indian Institute of Technology Kanpur
Bing Li
Bing Li Shanghai Jiao Tong University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Molecular Biology can open the door to a wide range of allied career options in healthcare, scientific research, and education. For students interested in broadening their expertise or exploring alternative pathways, several affordable and flexible online programs are available.

For those considering roles in information management or research support, an affordable library science degree online is an excellent choice. These programs are well-suited for individuals passionate about managing scientific data or research materials.

If you're drawn to direct patient interaction or communication sciences, programs such as asha approved slp programs ensure you meet professional standards for speech-language pathology. Additionally, speech language pathology bridge programs online offer a streamlined path for non-SLP majors to transition into this specialized field.

For those aiming to enter nursing quickly, accelerated nursing programs for non nurses provide fast-track options to gain essential clinical credentials. These diverse choices allow Molecular Biology graduates to find the right match for their career goals and interests.

Best Scientists Citing George A. Kassavetis

Trending Scientists

Recently Published Articles