Courtney Hollender

Courtney Hollender

Contact Me

Assistant Professor
Department of Horticulture

(517) 353-0446



Education and Training

  • Postdoctoral Research Geneticist at the USDA-ARS Appalachian Fruit Research Station (2012-2016)
  • Ph.D. in Cell Biology and Molecular Genetics from the University of Maryland, College Park (2012)
  • B.A. in Biology from Goucher College, Baltimore MD (2003)

Research Overview

My lab uses molecular, genetic, and genomic approaches to study aspects of plant developmental biology and physiology that could lead to high-impact advancements in tree fruit agriculture. This includes investigating genes and pathways that regulate plant size, branch orientation, flower and fruit development, and bloom time. This work incorporates a wide range of lab, field, and bioinformatic techniques and uses both model and crop species including arabidopsis, tobacco, tomato, peach, plum, cherry, and apple. 

Select Publications

*Hollender CA, Hill JL, Waite J, Dardick C. (2020) Opposing influences of TAC1 and LAZY1 on lateral shoot orientation in arabidopsis.  Scientific Reports 10, 6051

Hill JL and *Hollender CA (2019) Branching out: new insights into the genetic regulation of shot architecture in trees. Current Opinions in Plant Biology 47:73-80. 

Hollender CA , Pascal T , Tabb A , Hadiarto T, Srinivasan C , Wang W, Liu Z , Scorza R , Dardick C. (2018). Loss of a highly conserved Sterile Alpha Motif domain gene (WEEP) results in pendulous branch growth in peach trees. PNAS DOI: 10.1073/pnas.1704515115

Hollender CA, Waite JM, Tabb A, Raines D, Srinivasan C, Dardick C. (2018) Alteration of TAC1 expression in Prunus species leads to pleiotropic shoot phenotypes. Horticulture Research 5:26

Salojärvi J, …, Hollender C, …, Helariutta Y, Kangasjärvi J. (2017) Genome sequencing and population genomic analyses provide insights into the adaptive landscape of silver birch. Nature Genetics 49(6): 904 – 912.

Hollender CA, Hadiarto T, Srinivasan C, Scorza R, Dardick C. (2016) A brachytic dwarfism trait (dw) in peach trees is caused by a nonsense mutation within the gibberellic acid receptor PpeGID1c. The New Phytologist 210: 227–239.

Hollender CA and Dardick C. (2015) Molecular basis of angiosperm tree architecture. The New Phytologist 206(2):541-556.

Hollender CA, Kang C, Darwish O, Geretz A, Matthews BF, Slovin J, Alkharouf N, and Liu Z. (2014) Floral transcriptomes in woodland strawberry uncover developing receptacle and anther gene networks. Plant Physiology 165:1062-1075.

Darwish O, Slovin JP, Kang C, Hollender CA, Geretz A, Houston S, Liu Z, Alkharouf NW. (2013) SGR: an online genomic resource for woodland strawberry. BMC Plant Biol. 23;13:223.   

Dardick C, Callahan A, Horn R, Ruiz KB, Zhebentyayeva T, Hollender C, Whitaker M, Abbot A, and Scorza R.  (2013) PpeTAC1 promotes the horizontal growth of branches in peach trees and is a member of a functionally conserved gene family found in diverse plant species.  The Plant Journal 75(4):618-30.

Hollender CA, Geretz AC, Slovin JP, and Liu Z (2012) Flower and early fruit development in a diploid strawberry, Fragaria vesca. Planta 235:1123–1139.

Grigorova B, Mara C, Hollender C, Sijacic P, Chen X, and Liu Z (2011) LEUNIG and SEUSS co-repressors regulate miR172 expression in Arabidopsis flowersDevelopment 138, 2451-2456. 



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