Alan Collmer

19.7k total citations · 4 hit papers
144 papers, 14.1k citations indexed

About

Alan Collmer is a scholar working on Plant Science, Molecular Biology and Cell Biology. According to data from OpenAlex, Alan Collmer has authored 144 papers receiving a total of 14.1k indexed citations (citations by other indexed papers that have themselves been cited), including 140 papers in Plant Science, 14 papers in Molecular Biology and 13 papers in Cell Biology. Recurrent topics in Alan Collmer's work include Plant Pathogenic Bacteria Studies (123 papers), Plant-Microbe Interactions and Immunity (114 papers) and Legume Nitrogen Fixing Symbiosis (71 papers). Alan Collmer is often cited by papers focused on Plant Pathogenic Bacteria Studies (123 papers), Plant-Microbe Interactions and Immunity (114 papers) and Legume Nitrogen Fixing Symbiosis (71 papers). Alan Collmer collaborates with scholars based in United States, United Kingdom and Russia. Alan Collmer's co-authors include James R. Alfano, Jorge E. Galán, Sheng Yang He, Magdalen Lindeberg, N. T. Keen, Jeffrey L. Ried, David W. Bauer, David J. Schneider, Brian H. Kvitko and Sébastien Cunnac and has published in prestigious journals such as Science, Cell and Proceedings of the National Academy of Sciences.

In The Last Decade

Alan Collmer

144 papers receiving 13.7k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Type III Secretion Machines: Bacterial Devices for Protein Delivery into Host Cells

1999 1.0k citations Alan Collmer et al. profile →
The Role of Pectic Enzymes in Plant Pathogenesis

1986 708 citations Alan Collmer et al. profile →
Harpin, Elicitor of the Hypersensitive Response Produced by the Plant Pathogen Erwinia amylovora

1992 632 citations Alan Collmer et al. profile →
TYPE III SECRETION SYSTEM EFFECTOR PROTEINS: Double Agents in Bacterial Disease and Plant Defense

2004 605 citations James R. Alfano, Alan Collmer profile →

Peers

Countries citing papers authored by Alan Collmer

Since Specialization

Citations

This map shows the geographic impact of Alan Collmer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Alan Collmer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alan Collmer more than expected).

Fields of papers citing papers by Alan Collmer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alan Collmer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Alan Collmer. The network helps show where Alan Collmer may publish in the future.

Co-authorship network of co-authors of Alan Collmer

This figure shows the co-authorship network connecting the top 25 collaborators of Alan Collmer. A scholar is included among the top collaborators of Alan Collmer based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Alan Collmer. Alan Collmer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Discovery of the Hrp Type III Secretion System in Phytopathogenic Bacteria: How Investigation of Hypersensitive Cell Death in Plants Led to a Novel Protein Injector System and a World of Inter-Organismal Molecular Interactions Within Plant Cells 2023 ·Phytopathology ·Brian H. Kvitko, Alan Collmer	19
2	Natural variation for unusual host responses and flagellin‐mediated immunity against Pseudomonas syringae in genetically diverse tomato accessions 2019 ·New Phytologist ·R. H. Roberts, Samantha Mainiero, Adrian F. Powell, Alexander Liu, Kai Shi, Sarah R. Hind, Susan R. Strickler, Alan Collmer, Gregory B. Martin	24
3	A plant effector‐triggered immunity signaling sector is inhibited by pattern‐triggered immunity 2017 ·The EMBO Journal ·Noriyuki Hatsugai, Daisuke Igarashi, Keisuke Mase, You Lu, Yayoi Tsuda, Suma Chakravarthy, Hai‐Lei Wei, Joseph W. Foley, Alan Collmer, Jane Glazebrook, Fumiaki Katagiri	69
4	Pseudomonas syringae pv. tomato DC3000 Type III Secretion Effector Polymutants Reveal an Interplay between HopAD1 and AvrPtoB 2015 ·Cell Host & Microbe ·Hai‐Lei Wei, Suma Chakravarthy, Johannes Mathieu, Tyler C. Helmann, Paul Stodghill, Bryan Swingle, Gregory B. Martin, Alan Collmer	95
5	The evolution of Pseudomonas syringae host specificity and type III effector repertoires 2009 ·Molecular Plant Pathology ·Magdalen Lindeberg, Sébastien Cunnac, Alan Collmer	80
6	Gene Ontology for type III effectors: capturing processes at the host-pathogen interface 2009 ·Trends in Microbiology ·Magdalen Lindeberg, Alan Collmer	8
7	Common and contrasting themes in host cell-targeted effectors from bacterial, fungal, oomycete and nematode plant symbionts described using the Gene Ontology 2009 ·BMC Microbiology ·Trudy Torto-Alalibo, Candace Whitmer Collmer, Magdalen Lindeberg, David M. Bird, Alan Collmer, Brett M. Tyler	49
8	Roadmap to New Virulence Determinants in Pseudomonas syringae: Insights from Comparative Genomics and Genome Organization 2008 ·Molecular Plant-Microbe Interactions ·Magdalen Lindeberg, Christopher R. Myers, Alan Collmer, David J. Schneider	91
9	Closing the Circle on the Discovery of Genes Encoding Hrp Regulon Members and Type III Secretion System Effectors in the Genomes of Three Model Pseudomonas syringae Strains 2006 ·Molecular Plant-Microbe Interactions ·Magdalen Lindeberg, Samuel W. Cartinhour, Christopher R. Myers, Lisa M. Schechter, David J. Schneider, Alan Collmer	127
10	Basal resistance against bacteria in Nicotiana benthamiana leaves is accompanied by reduced vascular staining and suppressed by multiple Pseudomonas syringae type III secretion system effector proteins 2005 ·The Plant Journal ·(unknown), Alan Collmer	83
11	The HopPtoF Locus of Pseudomonas syringae pv. tomato DC3000 Encodes a Type III Chaperone and a Cognate Effector 2004 ·Molecular Plant-Microbe Interactions ·Libo Shan, (unknown), Jian‐Fu Chen, Ming Guo, Jian‐Min Zhou, James R. Alfano, Alan Collmer, Jia Xu, Xiaoyan Tang	33
12	Identification of Pseudomonas syringae type III effectors that can suppress programmed cell death in plants and yeast 2004 ·The Plant Journal ·Yashitola Jamir, Ming Guo, (unknown), Tanja Petnicki‐Ocwieja, (unknown), Xiaoyang Tang, Martin B. Dickman, Alan Collmer, James R. Alfano	238
13	A Gene in the Pseudomonas syringae pv. tomato Hrp Pathogenicity Island Conserved Effector Locus, hopPtoA1, Contributes to Efficient Formation of Bacterial Colonies in Planta and Is Duplicated Elsewhere in the Genome 2002 ·Molecular Plant-Microbe Interactions ·Jorge L. Badel, Amy O. Charkowski, Wen‐Ling Deng, Alan Collmer	33
14	Pseudomonas syringae pv.tomatoのHrpW蛋白質は,ハルピンとペクチン酸リアーゼに類似のドメインを持ち,植物の過敏感反応の誘導能とペクチン酸との結合能を持つ 1998 ·Journal of Bacteriology ·Amy O. Charkowski, James R. Alfano, Gail M. Preston, Jing Yuan, (unknown), Alan Collmer	1
15	Determinants of pathogenicity and avirulence in plant pathogenic bacteria 1998 ·Current Opinion in Plant Biology ·Alan Collmer	56
16	Complementation of deletion mutations in a cloned functional cluster of Erwinia chrysanthemi out genes with Erwinia carotovora out homologues reveals OutC and OutD as candidate gatekeepers of species‐specific secretion of proteins via the type II pathway 1996 ·Molecular Microbiology ·Magdalen Lindeberg, (unknown), Alan Collmer	90
17	The HrpZ proteins of Pseudomonas syringae pvs syringae, glycinea and tomato are encoded by operons containing Yersinia YSC homologs and exhibit similar elicitor activity 1995 ·Phytopathology ·Gail M. Preston, Hsiou-Chen Huang, Alan Collmer	2
18	Tnphoa tagging of pseudomonas syringae pathovar syringae hrp genes encoding potentially exported proteins 1990 ·Phytopathology ·Steven W. Hutcheson, Alan Collmer	5
19	Construction and analysis of an erwinia chrysanthemi mutant containing deletions in the pel genes encoding all of the major pectate lyase isozymes 1987 ·Phytopathology ·Jeffrey L. Ried, Alan Collmer	3
20	An nptI-sacB-sacR cartridge for constructing directed, unmarked mutations in Gram-negative bacteria by marker exchange-eviction mutagenesis 1987 ·Gene ·Jeffrey L. Ried, Alan Collmer	304

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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