Robert E. Marra

4.3k total citations · 1 hit paper
34 papers, 2.5k citations indexed

About

Robert E. Marra is a scholar working on Cell Biology, Plant Science and Ecology. According to data from OpenAlex, Robert E. Marra has authored 34 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Cell Biology, 21 papers in Plant Science and 8 papers in Ecology. Recurrent topics in Robert E. Marra's work include Plant Pathogens and Fungal Diseases (22 papers), Plant and Fungal Interactions Research (7 papers) and Yeasts and Rust Fungi Studies (5 papers). Robert E. Marra is often cited by papers focused on Plant Pathogens and Fungal Diseases (22 papers), Plant and Fungal Interactions Research (7 papers) and Yeasts and Rust Fungi Studies (5 papers). Robert E. Marra collaborates with scholars based in United States, Italy and Singapore. Robert E. Marra's co-authors include S. M. Douglas, Chris T. Maier, Michael G. Milgroom, Nicholas J. Brazee, Joseph Heitman, Kirsten Nielsen, Thomas G. Mitchell, Rytas Vilgalys, J. A. LaMondia and Wade H. Elmer and has published in prestigious journals such as Environmental Science & Technology, Scientific Reports and Genetics.

In The Last Decade

Robert E. Marra

34 papers receiving 2.4k 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.

Frontiers of Plant Science

2005 1.3k citations Robert E. Marra, S. M. Douglas et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Robert E. Marra United States	20	1.5k	577	483	223	208	34	2.5k
Monica Parker United Kingdom	29	1.0k 0.7×	288 0.5×	87 0.2×	110 0.5×	53 0.3×	71	2.4k
Massimo Pindo Italy	29	1.5k 1.0×	1.1k 2.0×	394 0.8×	328 1.5×	41 0.2×	88	2.7k
Jarrad Hampton‐Marcell United States	17	724 0.5×	942 1.6×	245 0.5×	503 2.3×	77 0.4×	30	2.3k
Stephen S. Jones United States	30	2.6k 1.7×	298 0.5×	78 0.2×	124 0.6×	110 0.5×	117	3.4k
Katherine Huang United States	28	721 0.5×	2.9k 5.1×	123 0.3×	1.7k 7.5×	189 0.9×	51	4.6k
Habib Ahmad Pakistan	29	1.3k 0.9×	322 0.6×	76 0.2×	211 0.9×	100 0.5×	152	2.3k
Pascal Simonet France	35	739 0.5×	1.9k 3.2×	97 0.2×	1.8k 8.0×	60 0.3×	73	4.0k
Rodrigo Costa Portugal	38	1.2k 0.8×	1.1k 2.0×	284 0.6×	1.4k 6.4×	26 0.1×	97	4.0k
Milton Wainwright United Kingdom	29	699 0.5×	493 0.9×	146 0.3×	398 1.8×	35 0.2×	195	2.7k
Johannes Sikorski Germany	27	704 0.5×	1.2k 2.2×	118 0.2×	1.1k 5.0×	67 0.3×	57	2.6k

Countries citing papers authored by Robert E. Marra

Since Specialization

Citations

This map shows the geographic impact of Robert E. Marra'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 Robert E. Marra with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert E. Marra more than expected).

Fields of papers citing papers by Robert E. Marra

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert E. Marra. 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 Robert E. Marra. The network helps show where Robert E. Marra may publish in the future.

Co-authorship network of co-authors of Robert E. Marra

This figure shows the co-authorship network connecting the top 25 collaborators of Robert E. Marra. A scholar is included among the top collaborators of Robert E. Marra 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 Robert E. Marra. Robert E. Marra 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

Brazee, Nicholas J., et al.. (2023). Geometry matters for sonic tomography of trees. Trees. 37(3). 837–848. 10 indexed citations

Marra, Robert E. & J. A. LaMondia. (2020). First Report of Beech Leaf Disease, Caused by the Foliar Nematode, Litylenchus crenatae mccannii, on American Beech (Fagus grandifolia) in Connecticut. Plant Disease. 104(9). 2527–2527. 11 indexed citations

Brazee, Nicholas J. & Robert E. Marra. (2020). Incidence of Internal Decay in American Elms (Ulmus americana) Under Regular Fungicide Injection to Manage Dutch Elm Disease. Arboriculture & Urban Forestry. 46(1). 1–11. 5 indexed citations

Pagano, Luca, Francesco Pasquali, Sanghamitra Majumdar, et al.. (2017). Exposure of Cucurbita pepo to binary combinations of engineered nanomaterials: physiological and molecular response. Environmental Science Nano. 4(7). 1579–1590. 41 indexed citations

Malapi‐Wight, Martha, Jill E. Demers, Daniel Veltri, Robert E. Marra, & Jo Anne Crouch. (2016). LAMP Detection Assays for Boxwood Blight Pathogens: A Comparative Genomics Approach. Scientific Reports. 6(1). 26140–26140. 30 indexed citations

Elmer, Wade H., Robert E. Marra, Hui Li, & Bo Li. (2016). Incidence of Fusarium spp. on the invasive Spartina alterniflora on Chongming Island, Shanghai, China. Biological Invasions. 18(8). 2221–2227. 4 indexed citations

Crouch, Jo Anne, Robert E. Marra, Kris Van Poucke, et al.. (2015). Characterization and taxonomic reassessment of the box blight pathogen Calonectria pseudonaviculata , introducing Calonectria henricotiae sp. nov.. Plant Pathology. 65(1). 37–52. 62 indexed citations

Brazee, Nicholas J., Robert E. Marra, & Robert L. Wick. (2012). Genotypic diversity of Armillaria gallica from mixed oak forests in Massachusetts. Mycologia. 104(1). 53–61. 9 indexed citations

LaMondia, J. A., De‐Wei Li, Robert E. Marra, & S. M. Douglas. (2012). First Report of Cylindrocladium pseudonaviculatum Causing Leaf Spot of Pachysandra terminalis. Plant Disease. 96(7). 1069–1069. 25 indexed citations

10.

Hacker, Karen, Jocelyn Chu, Robert E. Marra, et al.. (2011). The impact of Immigration and Customs Enforcement on immigrant health: Perceptions of immigrants in Everett, Massachusetts, USA. Social Science & Medicine. 73(4). 586–594. 193 indexed citations

11.

Elmer, Wade H. & Robert E. Marra. (2011). New species ofFusariumassociated with dieback ofSpartina alterniflorain Atlantic salt marshes. Mycologia. 103(4). 806–819. 32 indexed citations

12.

Marra, Robert E.. (2010). Taxonomy, Phylogeny, and Ecology of Bark-inhabiting and Tree-pathogenic Fungi in the Cryphonectriaceae. HortScience. 45(6). 992b–992. 1 indexed citations

13.

Brazee, Nicholas J., et al.. (2010). Non-destructive assessment of internal decay in three hardwood species of northeastern North America using sonic and electrical impedance tomography. Forestry An International Journal of Forest Research. 84(1). 33–39. 74 indexed citations

14.

Marra, Robert E. & Jason Corwin. (2009). Isolation and characterization of codominant markers for the perennial canker fungal pathogen Neonectria ditissima. Molecular Ecology Resources. 9(3). 906–909. 9 indexed citations

15.

Marra, Robert E., et al.. (2004). Mating-type heterokaryosis and selfing in Cryphonectria parasitica. Fungal Genetics and Biology. 41(5). 521–533. 54 indexed citations

16.

Marra, Robert E., et al.. (2004). Mixed mating in natural populations of the chestnut blight fungus, Cryphonectria parasitica. Heredity. 93(2). 189–195. 30 indexed citations

17.

Litvintseva, Anastasia P., Robert E. Marra, Kirsten Nielsen, et al.. (2003). Evidence of Sexual Recombination among Cryptococcus neoformans Serotype A Isolates in Sub-Saharan Africa. Eukaryotic Cell. 2(6). 1162–1168. 113 indexed citations

18.

Marra, Robert E. & Michael G. Milgroom. (2001). The mating system of the fungus Cryphonectria parasitica: selfing and self-incompatibility. Heredity. 86(2). 134–143. 60 indexed citations

19.

Marra, Robert E., et al.. (2001). Analysis of Mating-Type Genes in the Chestnut Blight Fungus, Cryphonectria parasitica. Fungal Genetics and Biology. 34(2). 131–144. 45 indexed citations

20.

Marra, Robert E. & Michael G. Milgroom. (1999). PCR amplification of the mating‐type idiomorphs in Cryphonectria parasitica. Molecular Ecology. 8(11). 1947–1950. 36 indexed citations

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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