Giovanna Morelli

9.8k citations

42 papers · 6.8k indexed · 2 hit papers · h-index 28

Molecular Biology top 5%
Genetics top 0.5%
Epidemiology top 1%
Microbiology top 0.1%
Surgery top 5%

Co-authors: Mark Achtman Martin Maiden Ian M. Feavers Rachel Urwin Edward J. Feil Jane A. Bygraves Joanne E. Russell Brian G. Spratt
Topics: Bacterial Genetics and Biotechnology (11 papers)Bacterial Infections and Vaccines (10 papers)Helicobacter pylori-related gastroenterology studies (8 papers)
Cited by: Microbiology Endocrinology Molecular Medicine
Journals: Proceedings of the National Academy of Sciences Journal of Bacteriology Free Radical Biology and Medicine
Partner nations: Germany United States United Kingdom

In The Last Decade

Giovanna Morelli

42 papers receiving 6.4k 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.

Multilocus sequence typing: A portable approach to the identification of clones within populations of pathogenic microorganisms

1998 2.8k citations Giovanna Morelli, Mark Achtman et al. Proceedings of the National Academy of Sciences profile →
Yersinia pestis , the cause of plague, is a recently emerged clone of Yersinia pseudotuberculosis

1999 781 citations Mark Achtman, Giovanna Morelli et al. Proceedings of the National Academy of Sciences profile →

Peers

Countries citing papers authored by Giovanna Morelli

Since Specialization

Citations

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

Fields of papers citing papers by Giovanna Morelli

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Giovanna Morelli

This figure shows the co-authorship network connecting the top 25 collaborators of Giovanna Morelli. A scholar is included among the top collaborators of Giovanna Morelli 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 Giovanna Morelli. Giovanna Morelli 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	Microevolution of Helicobacter pylori during Prolonged Infection of Single Hosts and within Families 2010 ·PLoS Genetics ·Giovanna Morelli,Xavier Didelot,Barica Kušećek,Sandra Schwarz,Christelle Bahlawane,Daniel Falush,Sebastian Suerbaum,Mark Achtman	115
2	Horizontal versus Familial Transmission of Helicobacter pylori 2008 ·PLoS Pathogens ·Sandra Schwarz,Giovanna Morelli,Barica Kušećek,Andrea Manica,François Balloux,Robert J. Owen,David Y. Graham,Van der Merwe,Mark Achtman,Sebastian Suerbaum	115
3	The rise and spread of a new pathogen: Seroresistant Moraxella catarrhalis 2007 ·Genome Research ·Thierry Wirth,Giovanna Morelli,(unknown),Alex van Belkum,(unknown),Axel Meyer,Mark Achtman	64
4	Who Ate Whom? Adaptive Helicobacter Genomic Changes That Accompanied a Host Jump from Early Humans to Large Felines 2006 ·PLoS Genetics ·Mark Eppinger,Claudia Baar,Bodo Linz,Günter Raddatz,Christa Lanz,Heike Keller,Giovanna Morelli,(unknown),Mark Achtman,Stephan C. Schuster	136
5	Microevolution and history of the plague bacillus, Yersinia pestis 2004 ·Proceedings of the National Academy of Sciences ·Mark Achtman,Giovanna Morelli,Peixuan Zhu,Thierry Wirth,Ines Diehl,Barica Kušećek,Amy J. Vogler,David M. Wagner,Christopher J. Allender,W. Ryan Easterday,Viviane Chenal‐Francisque,Patricia L. Worsham,Nicholas R. Thomson,Julian Parkhill,Luther E. Lindler,Élisabeth Carniel,Paul Keim	344
6	Distinguishing human ethnic groups by means of sequences from Helicobacter pylori : Lessons from Ladakh 2004 ·Proceedings of the National Academy of Sciences ·Thierry Wirth,Xiaoyan Wang,Bodo Linz,Richard P. Novick,J. Koji Lum,Martin J. Blaser,Giovanna Morelli,Daniel Falush,Mark Achtman	124
7	Genetics of capsule O‐acetylation in serogroup C, W‐135 and Y meningococci 2003 ·Molecular Microbiology ·Heike Claus,Ray Borrow,Mark Achtman,Giovanna Morelli,(unknown),(unknown),Matthias Frosch,Ulrich Vogel	79
8	Pulsed-Field Gel Electrophoresis 2003 ·Humana Press eBooks ·Mark Achtman,Giovanna Morelli	4
9	The effect of a paracetamol and morphine combination on dynorphin A levels in the rat brain44Abbreviations: NSAIDs, non-steroidal anti-inflammatory drugs; DYN, dynorphin; PARA, paracetamol; and ir-DYN, immunoreactive dynorphin. 2001 ·Biochemical Pharmacology ·Maurizio Sandrini,Patrizia Romualdi,G. Vitale,Giovanna Morelli,Annalisa Capobianco,Luigi Alberto Pini,Sanzio Candeletti	13
10	Yersinia pestis , the cause of plague, is a recently emerged clone of Yersinia pseudotuberculosisbreakdown → 1999 ·Proceedings of the National Academy of Sciences ·Mark Achtman,(unknown),Giovanna Morelli,Gabriela Torrea,Annie Guiyoule,Élisabeth Carniel	781
11	Recombination and clonal groupings within Helicobacter pylori from different geographical regions 1999 ·Molecular Microbiology ·Mark Achtman,Takeshi Azuma,Douglas E. Berg,Yoshiyuki Ito,Giovanna Morelli,(unknown),Sebastian Suerbaum,Stuart A. Thompson,Arie van der Ende,Leen‐Jan van Doorn	308
12	The opcA and ΨopcB regions in Neisseria: genes, pseudogenes, deletions, insertion elements and DNA islands 1999 ·Molecular Microbiology ·Peixuan Zhu,Giovanna Morelli,Mark Achtman	54
13	Polylysine induces changes in membrane electrical properties of K562 cells 1997 ·Journal of Biomedical Materials Research ·Maria Teresa Santini,C. Cametti,Pietro L. Indovina,Giovanna Morelli,Gianfranco Donelli	31
14	Clonal descent and microevolution of Neisseria meningitidis during 30 years of epidemic spread 1997 ·Molecular Microbiology ·Giovanna Morelli,Burkhard Malorny,Kerstin Müller,A. Seiler,Jianfu Wang,Jesús Del Valle,M. Achtman	86
15	The oxidizing agent menadione induces an increase in the intracellular molecular oxygen concentration in K562 and A431 cells: Direct measurement using the new paramagnetic EPR probe fusinite 1996 ·Free Radical Biology and Medicine ·Maria Teresa Santini,Giovanna Morelli,Andrea Fattorossi,Walter Malorni,Gabriella Rainaldi,Pietro L. Indovina	7
16	Immunogenicity and evolutionary variability of epitopes within IgA1 protease from serogroup A Neisseria meningitidis 1994 ·Molecular Microbiology ·Giovanna Morelli,Jesús Del Valle,C. J. Lammel,Johannes Pohlner,Kerstin Müller,Milan S. Blake,G. F. Brooks,Thomas F. Meyer,(unknown),Norbert Brieske,Mark Achtman	29
17	Neisseriae 1990 1991 ·(unknown),Mark Achtman,(unknown),(unknown),Giovanna Morelli,A. Seiler,Burghard Thiesen	2
18	Characterization and restriction analysis of the P sex factor and the cryptic plasmid of Vibrio cholerae strain V58 1987 ·Plasmid ·Eveline Bartowsky,Giovanna Morelli,(unknown),Paul A. Manning	7
19	Cell-cell interactions in conjugating Escherichia coli: Con− mutants and stabilization of mating aggregates 1978 ·Molecular and General Genetics MGG ·Mark Achtman,(unknown),Reiner Helmuth,Giovanna Morelli,Paul A. Manning	132
20	Bacteriophage‐T7‐Induced DNA‐Priming Protein 1977 ·European Journal of Biochemistry ·Eberhard Scherzinger,Erich Lanka,Giovanna Morelli,(unknown),Atsushi Yuki	108

About Giovanna Morelli

Giovanna Morelli is a scholar working on Microbiology, Endocrinology and Small Animals, having authored 42 papers that have together received 6.8k indexed citations. Recurring topics across this work include Bacterial Genetics and Biotechnology (11 papers), Bacterial Infections and Vaccines (10 papers) and Helicobacter pylori-related gastroenterology studies (8 papers). The work is most often cited by research in Microbiology (1.6k citations), Endocrinology (851 citations) and Molecular Medicine (431 citations). Giovanna Morelli has collaborated with scholars based in Germany, United States and United Kingdom. Frequent co-authors include Mark Achtman, Mark Achtman, Martin Maiden, Ian M. Feavers, Rachel Urwin, Edward J. Feil, Jane A. Bygraves, Joanne E. Russell, Brian G. Spratt and Dominique A. Caugant. Their work appears in journals such as Proceedings of the National Academy of Sciences, Journal of Bacteriology and Free Radical Biology and Medicine.

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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