A total of 175 journals in BioMed Central's publishing portfolio now have impact factors in the recently published Journal Citation Report 2015, of which 104 journals rank in the top half of their categories.
Nine journals received their first impact factor. Biology of Sex Differences gained an impact factor of 4.84, placing it in the top quartile of both of its categories of Endocrinology & Metabolism and Genetics & Heredity. Infectious Diseases of Poverty received an impact factor of 4.11, placing it in the top quartile of the Infectious Diseases category.
Molecular Neurodegeneration is now the highest ranking open access journal in the Neurosciences category, with an impact factor of 6.56, and overall is one of the highest ranked journals dedicated to neurodegeneration research.
BioMed Central's flagship journals have also seen increases in their impact factors over the last year. Genome Biology now has an impact factor of 10.81. This makes it seventh out of all 167 journals in the Genetics & Heredity category and the highest ranking open access journal in both of its categories. It is also the highest ranking open access journal in the Biotechnology and Applied Microbiology category according to its Eigenfactor - a measure which takes into account how often the journal is cited in a highly-cited journal.
BMC Biology's impact factor has grown to 7.98, making it fourth out of 85 journals in the Biology category. BMC Medicine is the second highest ranking open access journal in the Medicine, General & Internal category, with an impact factor of 7.25, and ranks 10 out of 153 journals in that category overall. The journal has also had articles with an Altmetric score of over 900 – a measure that takes into account an article's impact in terms of news coverage and social media.
Since transferring to BioMed Central in 2008, the Journal of Experimental & Clinical Cancer Research has seen its impact factor rise each year to a current high of 4.43. This places it in the top quartile of the Oncology category.
Genetics Selection Evolution is the highest ranking journal in the Agriculture, Dairy & Animal Science category, with an impact factor of 3.82. The society journal, owned by the French government agency for agriculture, has seen continuous growth in its impact factor since it transferred to BioMed Central in 2009.
