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Topic · Genetics

Yersinia bacterium, plague, ectoparasites research

Yersinia bacterium, plague, ectoparasites research is a research topic within Genetics. Science Explorer counts 21k research works in it since 1950. 10.3% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the genetic and pathogenic study of Yersinia pestis, the causative agent of plague. It covers topics such as genomics, evolution, virulence factors, type III secretion system, biofilm formation, flea-borne transmission, and ancient DNA analysis.

  • Yersinia pestis
  • plague
  • genomics
  • evolution
  • virulence factors
  • type III secretion system
  • bacterial pathogenesis
  • biofilm formation
  • flea-borne transmission
  • ancient DNA
Research works
21k
fractional, since 1950
In the world top 10%
2.1k
per year above
Top-10% rate
10.3%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-3%
the tick is no change
Largest producer
United States
27% of the 10 largest, 2022-now
Yersinia bacterium, plague, ectoparasites research

Which countries lead Yersinia bacterium, plague, ectoparasites research research?

By volume, the United States and Russia publish the most (626 and 395 works in 2022-now).

By volume, 2022-now

  1. 1 United States 626 works
  2. 2 Russia 395 works
  3. 3 China 344 works
  4. 4 France 228 works
  5. 5 United Kingdom 176 works
  6. 6 India 171 works
  7. 7 Brazil 141 works
  8. 8 Germany 104 works
  9. 9 Italy 90 works
  10. 10 Spain 79 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 26.6%Russia: 16.8%China: 14.6%France: 9.7%6 others listed: 32.3%27%largest
United States626 · 26.6%Russia395 · 16.8%China344 · 14.6%France228 · 9.7%6 others listed761 · 32.3%

Shares of the rows listed above, not of the whole node.

Which institutions lead Yersinia bacterium, plague, ectoparasites research research?

By volume in 2022-now, Russian Academy of Sciences publishes the most Yersinia bacterium, plague, ectoparasites research research, followed by Centre National de la Recherche Scientifique and Russian Scientific Research Institute Microbe.

Who are the leading researchers in Yersinia bacterium, plague, ectoparasites research?

The most-cited researchers publishing on Yersinia bacterium, plague, ectoparasites research include Rob Knight, Simon Iain Hay and Jun Wang.

  1. 1 Rob Knight United States 468k citations
  2. 2 Simon Iain Hay United States 452k citations
  3. 3 Jun Wang China 340k citations
  4. 4 Yousef Saleh Khader Jordan 274k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Yersinia bacterium, plague, ectoparasites research?

The most cited paper in Yersinia bacterium, plague, ectoparasites research is "Global Morbidity and Mortality of Leptospirosis: A Systematic Review" (Federico Costa, José E. Hagan, Juan Ignácio Calcagno et al., 2015), with 2,027 citations. Next come "Bayesian Phylogeography Finds Its Roots" (1,939) and "Bergey’s Manual of Systematic Bacteriology" (1,911).

Most cited papers
#PaperReleasedCitations
1 Global Morbidity and Mortality of Leptospirosis: A Systematic Review Federico Costa, José E. Hagan, Juan Ignácio Calcagno et al. · PLoS neglected tropical diseases ReviewOpen access 17 Sep 2015 2,027
2 Bayesian Phylogeography Finds Its Roots Philippe Lemey, Andrew Rambaut, Alexei J. Drummond et al. · PLoS Computational Biology Open access 25 Sep 2009 1,939
3 Bergey’s Manual of Systematic Bacteriology Brown, Séverine Tasker, JB Messick et al. · Springer: New York 2010 1,911
4 Yersinia pestis--etiologic agent of plague Robert D. Perry, Jacqueline D. Fetherston · Clinical Microbiology Reviews Open access 1997 1,863
5 Alpha-crystallin can function as a molecular chaperone. Joseph Horwitz · Proceedings of the National Academy of Sciences Open access Nov 1992 1,847
All 100 most cited papers, with filters and sorting

Where is Yersinia bacterium, plague, ectoparasites research research done?

The largest centres of Yersinia bacterium, plague, ectoparasites research research in 2022-now are Moscow (Russia), Paris (France), Beijing (China) and Saint Petersburg (Russia). Among places with at least 20 works in it, it is an unusually large share of all research in Saratov and Rostov-on-Don.

Largest cities, 2022-now

  1. 1 MoscowRussia 116 works
  2. 2 ParisFrance 89 works
  3. 3 BeijingChina 72 works
  4. 4 Saint PetersburgRussia 35 works
  5. 5 LondonUnited Kingdom 33 works
  6. 6 SaratovRussia 31 works
  7. 7 New YorkUnited States 27 works
  8. 8 Washington D.C.United States 25 works
  9. 9 São PauloBrazil 25 works
  10. 10 Rostov-on-DonRussia 23 works

Where it is the local speciality

  1. SaratovRU · 30.7 works37×
  2. Rostov-on-DonRU · 22.8 works14×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Yersinia bacterium, plague, ectoparasites research than the world average.

See Yersinia bacterium, plague, ectoparasites research on the map

Where is the best place to study Yersinia bacterium, plague, ectoparasites research?

Among universities, judged by research, University of Cambridge, University of Oxford and Université Paris Cité score highest, combining citation excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%mean 8.98%fractional works in this field (log) →share of work in the world top 10% →University of OxfordUniversity of Cambri…Université Paris CitéUniversidad Nacional…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Citation excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1University of CambridgeUnited Kingdom 83.712.3%3.8×14 +23.8%
2University of OxfordUnited Kingdom 69.717.3%2.6×12 -7.7%
3Université Paris CitéFrance 38.98.8%3.7×9 +23.4%
4Universidad Nacional Autónoma de MéxicoMexico 28.15.0%3.2×10 +1.6%
5Lomonosov Moscow State UniversityRussia 18.11.5%3.3×9 -8.9%

Universities only. The score blends citation excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Yersinia bacterium, plague, ectoparasites research, country by country

Is Yersinia bacterium, plague, ectoparasites research research growing?

Output in 2022-2025 was 3% lower than in 2018-2021, peaking in 2021.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Yersinia bacterium, plague, ectoparasites research as a percentage of every work published that year, 0.016% in 2024.

still counting0.010%0.020%0.030%Yersinia bacterium, plague, ectoparasites research0.014% in 202519801990200020102020

Fractional works of Yersinia bacterium, plague, ectoparasites research over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Yersinia bacterium, plague, ectoparasites research10.3% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

Discussion

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