R.F. Doolittle

3.4k total citations · 1 hit paper
37 papers, 2.8k citations indexed

About

R.F. Doolittle is a scholar working on Molecular Biology, Pulmonary and Respiratory Medicine and Genetics. According to data from OpenAlex, R.F. Doolittle has authored 37 papers receiving a total of 2.8k indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Molecular Biology, 12 papers in Pulmonary and Respiratory Medicine and 7 papers in Genetics. Recurrent topics in R.F. Doolittle's work include Blood properties and coagulation (12 papers), Genomics and Phylogenetic Studies (10 papers) and RNA and protein synthesis mechanisms (10 papers). R.F. Doolittle is often cited by papers focused on Blood properties and coagulation (12 papers), Genomics and Phylogenetic Studies (10 papers) and RNA and protein synthesis mechanisms (10 papers). R.F. Doolittle collaborates with scholars based in United States, Germany and Switzerland. R.F. Doolittle's co-authors include Mark S. Johnson, Marcella A. McClure, Da-Fei Feng, Peer Bork, J A Gray, Michał B. Ponczek, David Gailani, Intisar Husain, David Thomas and Aziz Sancar and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Bioinformatics.

In The Last Decade

R.F. Doolittle

37 papers receiving 2.7k 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.

Origins and Evolutionary Relationships of Retroviruses

1989 497 citations R.F. Doolittle, Mark S. Johnson et al. The Quarterly Review of Biology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
R.F. Doolittle United States	26	1.5k	570	478	424	351	37	2.8k
Marianne Oskarsson United States	25	2.9k 1.9×	392 0.7×	1.3k 2.7×	173 0.4×	198 0.6×	42	4.3k
James Keck United States	31	916 0.6×	306 0.5×	527 1.1×	493 1.2×	1.1k 3.0×	100	3.4k
Herbert Angliker Switzerland	23	1.1k 0.7×	263 0.5×	252 0.5×	294 0.7×	427 1.2×	36	2.6k
Timothy Cardozo United States	33	2.9k 1.9×	225 0.4×	460 1.0×	620 1.5×	516 1.5×	96	4.6k
R. Padmanabhan United States	31	2.3k 1.5×	229 0.4×	939 2.0×	441 1.0×	1.0k 2.9×	84	4.6k
Jonathan Silver United States	28	1.4k 0.9×	274 0.5×	829 1.7×	602 1.4×	377 1.1×	71	2.9k
Peter R. Shank United States	26	2.2k 1.5×	541 0.9×	1.0k 2.1×	494 1.2×	327 0.9×	49	3.8k
James W. Gautsch United States	15	1.4k 0.9×	232 0.4×	768 1.6×	222 0.5×	162 0.5×	23	2.5k
Natalie M. Teich United Kingdom	24	1.8k 1.2×	228 0.4×	1.3k 2.8×	598 1.4×	568 1.6×	37	3.7k
Abraham Loyter Israel	39	3.1k 2.1×	606 1.1×	864 1.8×	679 1.6×	839 2.4×	172	4.7k

Countries citing papers authored by R.F. Doolittle

Since Specialization

Citations

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

Fields of papers citing papers by R.F. Doolittle

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R.F. Doolittle. 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 R.F. Doolittle. The network helps show where R.F. Doolittle may publish in the future.

Co-authorship network of co-authors of R.F. Doolittle

This figure shows the co-authorship network connecting the top 25 collaborators of R.F. Doolittle. A scholar is included among the top collaborators of R.F. Doolittle 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 R.F. Doolittle. R.F. Doolittle is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Doolittle, R.F.. (2009). Step-by-Step Evolution of Vertebrate Blood Coagulation. Cold Spring Harbor Symposia on Quantitative Biology. 74(0). 35–40. 84 indexed citations

Doolittle, R.F.. (2004). Determining the crystal structure of fibrinogen. Journal of Thrombosis and Haemostasis. 2(5). 683–689. 15 indexed citations

Pan, Yang, et al.. (1995). The minor form alpha' chain from lamprey fibrinogen is rapidly crosslinked during clotting.. Proceedings of the National Academy of Sciences. 92(4). 968–972. 9 indexed citations

Bork, Peer & R.F. Doolittle. (1994). Drosophila kelch motif is derived from a common enzyme fold. Journal of Molecular Biology. 236(5). 1277–1282. 163 indexed citations

Bork, Peer & R.F. Doolittle. (1993). Fibronectin type III modules in the receptor phosphatase CD45 and tapeworm antigens. Protein Science. 2(7). 1185–1187. 42 indexed citations

Doolittle, R.F.. (1992). Reconstructing history with amino acid sequences1. Protein Science. 1(2). 191–200. 100 indexed citations

Doolittle, R.F. & Da-Fei Feng. (1992). Tracing the Origin of Retroviruses. Current topics in microbiology and immunology. 176. 195–211. 32 indexed citations

Shimizu, Akira, G M Nagel, & R.F. Doolittle. (1992). Photoaffinity labeling of the primary fibrin polymerization site: isolation and characterization of a labeled cyanogen bromide fragment corresponding to gamma-chain residues 337-379.. Proceedings of the National Academy of Sciences. 89(7). 2888–2892. 40 indexed citations

Doolittle, R.F.. (1992). A detailed consideration of a principal domain of vertebrate fibrinogen and its relatives. Protein Science. 1(12). 1563–1577. 82 indexed citations

10.

Doolittle, R.F., et al.. (1990). A naturally occurring horizontal gene transfer from a eukaryote to a prokaryote. Journal of Molecular Evolution. 31(5). 383–388. 123 indexed citations

11.

Feng, Da-Fei, et al.. (1990). Construction of a facsimile data set for large genome sequence analysis. Genomics. 8(1). 71–82. 7 indexed citations

12.

Doolittle, R.F., Mark S. Johnson, & Marcella A. McClure. (1989). Origins and Evolutionary Relationships of Retroviruses. The Quarterly Review of Biology. 64(1). 1–30. 497 indexed citations breakdown →

13.

McClure, Marcella A., Mark S. Johnson, Da-Fei Feng, & R.F. Doolittle. (1988). Sequence comparisons of retroviral proteins: relative rates of change and general phylogeny.. Proceedings of the National Academy of Sciences. 85(8). 2469–2473. 151 indexed citations

14.

Xu, Xu, et al.. (1987). cDNA sequences of two apolipoproteins from lamprey. Biochemistry. 26(6). 1611–1617. 25 indexed citations

15.

Doolittle, R.F. & Da-Fei Feng. (1987). Reconstructing the Evolution of Vertebrate Blood Coagulation from a Consideration of the Amino Acid Sequences of Clotting Proteins. Cold Spring Harbor Symposia on Quantitative Biology. 52(0). 869–874. 51 indexed citations

16.

McClure, Marcella A., Mark S. Johnson, & R.F. Doolittle. (1987). Relocation of a protease-like gene segment between two retroviruses.. Proceedings of the National Academy of Sciences. 84(9). 2693–2697. 36 indexed citations

17.

Doolittle, R.F., et al.. (1986). GLY-PRO-ARG-Pro derivatives that bind to human plasma albumin and prevent fibrin formation. Thrombosis Research. 43(4). 485–490. 4 indexed citations

18.

Johnson, Mark S., Marcella A. McClure, Da-Fei Feng, J A Gray, & R.F. Doolittle. (1986). Computer analysis of retroviral pol genes: assignment of enzymatic functions to specific sequences and homologies with nonviral enzymes.. Proceedings of the National Academy of Sciences. 83(20). 7648–7652. 436 indexed citations

19.

Graham, Debra, et al.. (1985). Screening a lamprey liver cDNA library with oligonucleotide probes based on various plasma proteins. Federation Proceedings. 44(4). 2 indexed citations

20.

Doolittle, R.F.. (1977). Sequencing Peptides and Proteins Lacking Free α-Amino Groups. PubMed. 25. 38–54. 10 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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