Godfrey Lema

4.2k total citations · 1 hit paper
8 papers, 1.5k citations indexed

About

Godfrey Lema is a scholar working on Molecular Biology, Genetics and Epidemiology. According to data from OpenAlex, Godfrey Lema has authored 8 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 4 papers in Molecular Biology, 4 papers in Genetics and 2 papers in Epidemiology. Recurrent topics in Godfrey Lema's work include RNA and protein synthesis mechanisms (3 papers), Genetic diversity and population structure (2 papers) and Malaria Research and Control (2 papers). Godfrey Lema is often cited by papers focused on RNA and protein synthesis mechanisms (3 papers), Genetic diversity and population structure (2 papers) and Malaria Research and Control (2 papers). Godfrey Lema collaborates with scholars based in Tanzania, United States and Kenya. Godfrey Lema's co-authors include Sarah A. Tishkoff, Thomas Nyambo, Sabah A. Omar, Holly M. Mortensen, Floyd A. Reed, Muntaser E. Ibrahim, Jibril Hirbo, Alessia Ranciaro, Jonathan K. Pritchard and Jilur Ghori and has published in prestigious journals such as Cell, Nature Genetics and The American Journal of Human Genetics.

In The Last Decade

Godfrey Lema

8 papers receiving 1.5k 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.

Convergent adaptation of human lactase persistence in Africa and Europe

2006 937 citations Sarah A. Tishkoff, Floyd A. Reed et al. Nature Genetics profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Godfrey Lema Tanzania	7	1.0k	375	135	131	105	8	1.5k
Jibril Hirbo United States	15	1.2k 1.2×	429 1.1×	233 1.7×	92 0.7×	64 0.6×	30	1.9k
Thomas Nyambo United States	18	1.3k 1.3×	547 1.5×	250 1.9×	191 1.5×	146 1.4×	31	2.2k
Alessia Ranciaro United States	13	1.2k 1.1×	463 1.2×	281 2.1×	93 0.7×	63 0.6×	22	1.9k
Fernando A. Villanea United States	8	641 0.6×	387 1.0×	144 1.1×	91 0.7×	95 0.9×	17	1.2k
Antonel Olckers South Africa	15	913 0.9×	781 2.1×	125 0.9×	222 1.7×	68 0.6×	28	1.8k
Pascale Gerbault United Kingdom	14	577 0.6×	180 0.5×	125 0.9×	102 0.8×	78 0.7×	22	1.1k
Hiroki Oota Japan	23	924 0.9×	758 2.0×	162 1.2×	273 2.1×	77 0.7×	68	1.9k
Audrey M. Southwick United States	6	1.6k 1.6×	914 2.4×	60 0.4×	124 0.9×	57 0.5×	7	2.5k
Gian Franco De Stefano Italy	19	609 0.6×	377 1.0×	58 0.4×	315 2.4×	96 0.9×	69	1.5k
Laura Scheinfeldt United States	18	905 0.9×	337 0.9×	105 0.8×	157 1.2×	155 1.5×	50	1.4k

Countries citing papers authored by Godfrey Lema

Since Specialization

Citations

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

Fields of papers citing papers by Godfrey Lema

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Godfrey Lema. 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 Godfrey Lema. The network helps show where Godfrey Lema may publish in the future.

Co-authorship network of co-authors of Godfrey Lema

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

All Works

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8 of 8 papers shown

1.

Gomez, Felicia, Wen‐Ya Ko, Alessia Ranciaro, et al.. (2013). Patterns of nucleotide and haplotype diversity at ICAM-1 across global human populations with varying levels of malaria exposure. Human Genetics. 132(9). 987–999. 4 indexed citations

2.

Lachance, Joseph, Benjamin Vernot, Clara C. Elbers, et al.. (2012). Evolutionary History and Adaptation from High-Coverage Whole-Genome Sequences of Diverse African Hunter-Gatherers. Cell. 150(3). 457–469. 204 indexed citations

3.

Steinberg, Karyn Meltz, Francesca Antonacci, Peter H. Sudmant, et al.. (2012). Structural diversity and African origin of the 17q21.31 inversion polymorphism. Nature Genetics. 44(8). 872–880. 88 indexed citations

4.

Ko, Wen‐Ya, Emanuela Giombini, Paolo Marcatili, et al.. (2011). Effects of Natural Selection and Gene Conversion on the Evolution of Human Glycophorins Coding for MNS Blood Polymorphisms in Malaria-Endemic African Populations. The American Journal of Human Genetics. 88(6). 741–754. 36 indexed citations

5.

Ranciaro, Alessia, Alain Froment, Jibril Hirbo, et al.. (2011). Evolution of Functionally Diverse Alleles Associated with PTC Bitter Taste Sensitivity in Africa. Molecular Biology and Evolution. 29(4). 1141–1153. 64 indexed citations

6.

Mortensen, Holly M., Alain Froment, Godfrey Lema, et al.. (2011). Characterization of Genetic Variation and Natural Selection at the ArylamineN-Acetyltransferase Genes in Global Human Populations. Pharmacogenomics. 12(11). 1545–1558. 34 indexed citations

7.

Tishkoff, Sarah A., Mary Katherine Gonder, Brenna M. Henn, et al.. (2007). History of Click-Speaking Populations of Africa Inferred from mtDNA and Y Chromosome Genetic Variation. Molecular Biology and Evolution. 24(10). 2180–2195. 142 indexed citations

8.

Tishkoff, Sarah A., Floyd A. Reed, Alessia Ranciaro, et al.. (2006). Convergent adaptation of human lactase persistence in Africa and Europe. Nature Genetics. 39(1). 31–40. 937 indexed citations breakdown →

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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