Bryan R Helm
Bryan R Helm
Statistical Geneticist @ Vanderbilt University Medical Center
Verified email at vumc.org
Title
Cited by
Cited by
Year
Metamorphosis is induced by food absence rather than a critical weight in the solitary bee, Osmia lignaria
BR Helm, JP Rinehart, GD Yocum, KJ Greenlee, JH Bowsher
Proceedings of the National Academy of Sciences 114 (41), 10924-10929, 2017
292017
Mass and volume growth of an insect tracheal system within a single instar
BR Helm, G Davidowitz
Journal of Experimental Biology 216 (24), 4703-4711, 2013
242013
Percent lipid is associated with body size but not task in the bumble bee Bombus impatiens
MJ Couvillon, JM Jandt, J Bonds, BR Helm, A Dornhaus
Journal of Comparative Physiology A 197 (11), 1097-1104, 2011
242011
The geometric framework for nutrition reveals interactions between protein and carbohydrate during larval growth in honey bees
BR Helm, GP Slater, A Rajamohan, GD Yocum, KJ Greenlee, JH Bowsher
Biology open 6 (6), 872-880, 2017
182017
Extended hypoxia in the alfalfa leafcutting bee, Megachile rotundata, increases survival but causes sub-lethal effects
H Abdelrahman, JP Rinehart, GD Yocum, KJ Greenlee, BR Helm, ...
Journal of insect physiology 64, 81-89, 2014
122014
Predicting performance and plasticity in the development of respiratory structures and metabolic systems
KJ Greenlee, KL Montooth, BR Helm
Integrative and comparative biology 54 (2), 307-322, 2014
112014
Micro-computed tomography of pupal metamorphosis in the solitary bee Megachile rotundata
BR Helm, S Payne, JP Rinehart, GD Yocum, JH Bowsher, KJ Greenlee
Arthropod structure & development 47 (5), 521-528, 2018
102018
Comparison of the chemical compositions of the cuticle and dufour’s gland of two solitary bee species from laboratory and field conditions
TL Pitts-Singer, MM Hagen, BR Helm, S Highland, JS Buckner, WP Kemp
Journal of chemical ecology 43 (5), 451-468, 2017
82017
Evidence of a hemolymph-born factor that induces onset of maturation in Manduca sexta larvae
BR Helm, G Davidowitz
Journal of insect physiology 78, 78-86, 2015
72015
A common framework for the regulation of growth and size: Stepping away from the trees to see the forest
G Davidowitz, BR Helm
Integrative Organismal Biology, 207-218, 2015
72015
Phenotypic integration in an extended phenotype: among‐individual variation in nest‐building traits of the alfalfa leafcutting bee (Megachile rotundata)
R Royauté, ES Wilson, BR Helm, RE Mallinger, J Prasifka, KJ Greenlee, ...
Journal of evolutionary biology 31 (7), 944-956, 2018
32018
Nutrient effects on energy allocation among body parts within an individual
G Davidowitz, AD Daws, AF Moore, BR Helm, RC Stillwell
Integrative and Comparative Biology 54, E48-E48, 2014
12014
An Ontogenetic Perspective on the Timing of Maturation in Insects with Special Consideration of Physical and Resource Thresholds
BR Helm
The University of Arizona., 2013
12013
Do resource thresholds play a role in the onset of maturation-a key life history transition?
BR Helm, G Davidowitz
Integrative and Comparative Biology 52, E76-E76, 2012
12012
Body and Wing Allometries Reveal Flight-Fecundity Tradeoff in Response to Larval Provisioning in Osmia lignaria (Hymenoptera: Megachilidae)
BR Helm, MA Baldwin, JP Rinehart, GD Yocum, KJ Greenlee, ...
Journal of Insect Science 21 (3), 11, 2021
2021
Sublethal effects of neonicotinoids on nesting in the alfalfa leafcutter bee (Megachile rotundata)
M Palmersheim, MG Park, BR Helm, J Bowsher, JP Rinehart
Entomology 2018, 2018
2018
Building a bigger, better bee: Insights from developmental studies and implications for pollination
BR Helm
2018 North Central Branch Meeting, 2018
2018
Flight biomechanics of developmentally-induced size variation in the solitary bee Osmia lignaria
BR Helm, JP Rinehart, GD Yocum, KJ Greenlee, JH Bowsher
Meeting Abstract, 3-7, 2018
2018
Physiological and molecular regulation of metamorphic commitment in the solitary bee Osmia lignaria
LM Agosto, VL Bentley, BR Helm, JE Holthusen, JP Rinehart, GD Yocum, ...
Meeting Abstract, 3-7, 2018
2018
Sub-lethal effects of neonicitinoids on the alfalfa leafcutter bee, Megachile rotundata
MC Palmersheim, BR Helm, R Royaute, R Mallinger, GD Yocum
Meeting Abstract, 3-7, 2018
2018
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