User profiles for H. Roy

Helen Roy

Professor, UK Centre for Ecology & Hydrology
Verified email at ceh.ac.uk
Cited by 19819

Scientists' warning on invasive alien species

…, A Pauchard, J Pergl, HE Roy, H Seebens… - Biological …, 2020 - Wiley Online Library
Biological invasions are a global consequence of an increasingly connected world and the
rise in human population size. The numbers of invasive alien species – the subset of alien …

Fungal entomopathogens: new insights on their ecology

…, A Monzon, BH Ownley, JK Pell, DEN Rangel, HE Roy - Fungal ecology, 2009 - Elsevier
An important mechanism for insect pest control should be the use of fungal entomopathogens.
Even though these organisms have been studied for more than 100y, their effective use in …

[HTML][HTML] Biology of vascular endothelial growth factors

H Roy, S Bhardwaj, S Ylä-Herttuala - FEBS letters, 2006 - Elsevier
Angiogenesis is the process by which new blood vessels are formed from existing vessels.
The vascular endothelial growth factors (VEGFs) are considered as key molecules in the …

[HTML][HTML] No saturation in the accumulation of alien species worldwide

…, N Fuentes, H Jäger, J Kartesz, M Kenis, H Kreft… - Nature …, 2017 - nature.com
Although research on human-mediated exchanges of species has substantially intensified
during the last centuries, we know surprisingly little about temporal dynamics of alien species …

Global rise in emerging alien species results from increased accessibility of new source pools

…, S Rorke, S Rossinelli, HE Roy… - Proceedings of the …, 2018 - National Acad Sciences
Our ability to predict the identity of future invasive alien species is largely based upon knowledge
of prior invasion history. Emerging alien species—those never encountered as aliens …

[HTML][HTML] Widespread losses of pollinating insects in Britain

…, C Carvell, M Edwards, RKA Morris, HE Roy… - Nature …, 2019 - nature.com
Pollination is a critical ecosystem service underpinning the productivity of agricultural
systems across the world. Wild insect populations provide a substantial contribution to the …

Harmonia axyridis in Europe: spread and distribution of a non-native coccinellid

…, HE Roy, V Ternois, IA Zakharov, DB Roy - From biological control …, 2008 - Springer
… In this paper we map the spread and distribution of H. axyridis in Europe, and examine the
situation on a country-by-country basis. We report first records of the species in five countries; …

Bizarre interactions and endgames: entomopathogenic fungi and their arthropod hosts

HE Roy, DC Steinkraus, J Eilenberg… - Annu. Rev …, 2006 - annualreviews.org
… neoaphidis each caused death within 4-h intervals, with peaks at 8 to 9 and 14 h after dawn,
respectively. Zoophthora radicans caused some deaths throughout the 24-h light cycle but …

AKT proto-oncogene overexpression is an early event during sporadic colon carcinogenesis

HK Roy, BF Olusola, DL Clemens, WJ Karolski… - …, 2002 - academic.oup.com
… Deparaffinized tissue sections (3–5 μM) first underwent antigen retrieval with target retrieval
solution at pH 6.1 (Dako, Carpinteria, CA), then incubated with AKT antibody for 1 h at 37C …

The harlequin ladybird, Harmonia axyridis: global perspectives on invasion history and ecology

HE Roy, PMJ Brown, T Adriaens, N Berkvens… - Biological …, 2016 - Springer
… Here we provide an overview of the invasion history and ecology of H. axyridis globally with
consideration of future research perspectives. We reflect broadly on the contributions of such …