Patricia C. O’Brien

6.6k citations

99 papers · 4.9k indexed · 2 hit papers · h-index 33

Accounting top 0.5%
Finance top 0.5%
Genetics top 1%
Plant Science top 2%
Molecular Biology top 10%

Co-authors: Ravi Bhushan M.A. Ferguson‐Smith Maureen F. McNichols Fengtang Yang Johannes Wienberg Willem Rens Alexander S. Graphodatsky Hongping Tan
Topics: Chromosomal and Genetic Variations (43 papers)Auditing, Earnings Management, Governance (24 papers)Financial Markets and Investment Strategies (18 papers)
Cited by: Accounting Finance Genetics
Journals: PLoS ONE Oncogene Journal of Virology
Partner nations: United Kingdom United States Canada

In The Last Decade

Patricia C. O’Brien

96 papers receiving 4.7k 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.

Analysts' forecasts as earnings expectations

1988 750 citations Patricia C. O’Brien profile →
Analyst Following and Institutional Ownership

1990 709 citations Patricia C. O’Brien et al. profile →

Peers

Replace Jonathan R. Macey with:

Jonathan R. Macey United States

Heinrich W. Ursprung Germany

Hu Jian China

Michael Dietrich United States

Timothy King United States

Stephen G. Ryan United States

Daniel Gros Belgium

Susan McCracken Canada

Charles E. Stevens United States

Eric R. Young United States

Patricia C. O’Brien relative to Jonathan R. Macey United States Jonathan R. Macey's profile →

Citations per field

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Jonathan R. Macey · 1×

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×1.6 2k/1k

FINAN

×0.8 2k/2k

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×6.4 1k/205

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Countries citing papers authored by Patricia C. O’Brien

Since Specialization

Citations

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

Fields of papers citing papers by Patricia C. O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Patricia C. O’Brien. 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 Patricia C. O’Brien. The network helps show where Patricia C. O’Brien may publish in the future.

Co-authorship network of co-authors of Patricia C. O’Brien

This figure shows the co-authorship network connecting the top 25 collaborators of Patricia C. O’Brien. A scholar is included among the top collaborators of Patricia C. O’Brien 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 Patricia C. O’Brien. Patricia C. O’Brien 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	Rapid chromosomal evolution in enigmatic mammal with XX in both sexes, the Alay mole vole Ellobius alaicus Vorontsov et al., 1969 (Mammalia, Rodentia) 2019 ·Comparative Cytogenetics ·Irina Bakloushinskaya,E. A. Lyapunova,(unknown),Svetlana A. Romanenko,Patricia C. O’Brien,Natalia A. Serdyukova,M.A. Ferguson‐Smith,Sergey Matveevsky,А. С. Богданов	17
2	Financial Analysts and Their Contribution to Well-Functioning Capital Markets 2017 ·SSRN Electronic Journal ·Mark T. Bradshaw,Yonca Ertimur,Patricia C. O’Brien	50
3	Intrachromosomal rearrangements in two representatives of the genus Saltator (Thraupidae, Passeriformes) and the occurrence of heteromorphic Z chromosomes 2015 ·Genetica ·(unknown),Rafael Kretschmer,(unknown),(unknown),Patricia C. O’Brien,M.A. Ferguson‐Smith,Analía Del Valle Garnero,Edivaldo Herculano Corrêa de Oliveira,Ricardo José Gunski	32
4	Comparative analysis of sex chromosomes in Leporinus species (Teleostei, Characiformes) using chromosome painting 2013 ·BMC Genetics ·(unknown),(unknown),Willem Rens,(unknown),Patricia C. O’Brien,Vladimir A. Trifonov,M.A. Ferguson‐Smith	24
5	Reciprocal chromosome painting between white hawk (Leucopternis albicollis) and chicken reveals extensive fusions and fissions during karyotype evolution of accipitridae (Aves, Falconiformes) 2010 ·Chromosome Research ·Edivaldo Herculano Corrêa de Oliveira,(unknown),(unknown),Júlio César Pieczarka,Cleusa Yoshiko Nagamachi,Patricia C. O’Brien,M.A. Ferguson‐Smith	47
6	Changing the Concepts to Justify the Standards 2009 ·SSRN Electronic Journal ·Patricia C. O’Brien	0
7	Deregulation of EIF4E: a novel mechanism for autism 2009 ·Journal of Medical Genetics ·Maria Neves-Pereira,Berndt Müller,(unknown),Justin H. G. Williams,Patricia C. O’Brien,Anita J. Hughes,Sanbing Shen,David St Clair,Zosia Miedzybrodzka	112
8	Emergence of complex rearrangements at translocation breakpoints in a transgenic mouse; implications for mechanisms involved in the formation of chromosome rearrangements 2007 ·Cytogenetic and Genome Research ·Fumio Kasai,Masaharu Yoshihara,Susumu Matsukuma,Patricia C. O’Brien,M.A. Ferguson‐Smith	6
9	Comparative genome maps of the pangolin, hedgehog, sloth, anteater and human revealed by cross-species chromosome painting: further insight into the ancestral karyotype and genome evolution of eutherian mammals 2006 ·Chromosome Research ·Fengtang Yang,Alexander S. Graphodatsky,Tangliang Li,Beiyuan Fu,Gauthier Dobigny,Jinghuan Wang,Polina L. Perelman,Natalya A. Serdukova,Weiting Su,Patricia C. O’Brien,Yingxiang Wang,M.A. Ferguson‐Smith,V. Volobouev,Wenhui Nie	48
10	Recurrent chromosomal aberrations in INK4a/ARF defective primary lymphomas predict drug responses in vivo 2005 ·Oncogene ·Anne Helmrich,Soyoung Lee,Patricia C. O’Brien,Bernd Dörken,Scott W. Lowe,Evelin Schröck,Clemens A. Schmitt	10
11	Molecular cytogenetic definition of the chicken genome 2004 ·Genetics ·Julio Masabanda,David W. Burt,Patricia C. O’Brien,Alain Vignal,Valérie Fillon,(unknown),Helen Cox,Helen G. Tempest,Jacqueline Smith,Felix A. Habermann,Michael Schmid,Yoichi Matsuda,M.A. Ferguson‐Smith,R.P.M.A. Crooijmans,Martien A. M. Groenen,Darren K. Griffin	1
12	Karyotype of canine soft tissue sarcomas: a multi-colour, multi-species approach to canine chromosome painting 2004 ·Chromosome Research ·B.S. Milne,T. Hoather,Patricia C. O’Brien,Fengtang Yang,M.A. Ferguson‐Smith,Jane Dobson,David R. Sargan	10
13	Localization of chromosome regions in potoroo nuclei ( Potorous tridactylus Marsupialia: Potoroinae) 2003 ·Chromosoma ·W. Rens,Patricia C. O’Brien,Jennifer A. Marshall Graves,M.A. Ferguson‐Smith	8
14	Comparative Chromosome Painting Between Marsupial Orders: Relationships with a 2n = 14 Ancestral Marsupial Karyotype 1999 ·Chromosome Research ·(unknown),(unknown),Roland Toder,Lucille Voullaire,M.A. Ferguson‐Smith,Patricia C. O’Brien,Jennifer A. Marshall Graves	31
15	A Complete Comparative Chromosome Map for the Dog, Red Fox, and Human and Its Integration with Canine Genetic Maps 1999 ·Genomics ·Fengtang Yang,Patricia C. O’Brien,B.S. Milne,Alexander S. Graphodatsky,Nita Solanky,Vladimir A. Trifonov,Willem Rens,David R. Sargan,M.A. Ferguson‐Smith	272
16	Cross‐species colour segmenting: A novel tool in human karyotype analysis 1998 ·Cytometry ·Stefan Müller,Patricia C. O’Brien,M.A. Ferguson‐Smith,Johannes Wienberg	4
17	Spectral karyotyping, a 24-colour FISH technique for the identification of chromosomal rearrangements 1997 ·Histochemistry and Cell Biology ·Merryn Macville,Timothy Veldman,Hesed Padilla‐Nash,Danny Wangsa,Patricia C. O’Brien,Evelin Schröck,Thomas Ried	65
18	A novel source of highly specific chromosome painting probes for human karyotype analysis derived from primate homologues 1997 ·Human Genetics ·Stefan Müller,Patricia C. O’Brien,Malcolm A. Ferguson-Smith,Johannes Wienberg	26
19	Identification of complex chromosome rearrangements in the gibbon by fluorescent in situ hybridization (FISH) of a human chromosome 2q specific microlibrary, yeast artificial chromosomes, and reciprocal chromosome painting 1996 ·Cytogenetic and Genome Research ·Norbert Arnold,Roscoe Stanyon,A. Jauch,Patricia C. O’Brien,Johannes Wienberg	32
20	An empirical analysis of forecasts of earnings per share 1985 ·Patricia C. O’Brien	1

About Patricia C. O’Brien

Patricia C. O’Brien is a scholar working on Accounting, Finance and Genetics, having authored 99 papers that have together received 4.9k indexed citations. Recurring topics across this work include Chromosomal and Genetic Variations (43 papers), Auditing, Earnings Management, Governance (24 papers) and Financial Markets and Investment Strategies (18 papers). The work is most often cited by research in Accounting (2.3k citations), Finance (1.8k citations) and Genetics (1.6k citations). Patricia C. O’Brien has collaborated with scholars based in United Kingdom, United States and Canada. Frequent co-authors include Ravi Bhushan, M.A. Ferguson‐Smith, Maureen F. McNichols, Fengtang Yang, Johannes Wienberg, Willem Rens, Alexander S. Graphodatsky, Hongping Tan, Vladimir A. Trifonov and B.S. Milne. Their work appears in journals such as PLoS ONE, Oncogene and Journal of Virology.

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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