Courtney Hollender

Courtney Hollender
Michigan State University | MSU · Department of Horticulture

PhD

About

24
Publications
9,700
Reads
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1,174
Citations
Citations since 2016
13 Research Items
964 Citations
2016201720182019202020212022050100150200
2016201720182019202020212022050100150200
2016201720182019202020212022050100150200
2016201720182019202020212022050100150200
Additional affiliations
September 2006 - June 2012
University of Maryland, College Park
Position
  • PhD Student

Publications

Publications (24)
Article
Full-text available
Main conclusion Growing degree hours (GDH) predicted floral bud development of ‘Montmorency’ sour cherry and explained changes in lethal temperatures (LT50) that preempted any visible changes in bud phenology. Abstract The gradual warming during late winter and early spring promotes floral bud development and, concomitantly, the de-acclimation of...
Article
The regulation of bloom time in deciduous fruit trees is an area of increasing interest due to the negative impact of climate change on fruit production. Although flower development has been well-studied in model species, there are many knowledge gaps about this process in perennial fruit trees, whose floral development spans the four seasons and i...
Article
Full-text available
TAC1 and LAZY1 are members of a gene family that regulates lateral shoot orientation in plants. TAC1 promotes outward orientations in response to light, while LAZY1 promotes upward shoot orientations in response to gravity via altered auxin transport. We performed genetic, molecular, and biochemical assays to investigate possible interactions betwe...
Article
Full-text available
In the version of this article initially published, there was a mistake in the calculation of the nucleotide mutation rate per site per generation: 1 × 10⁻⁹ mutations per site per generation was used, whereas 9.5 × 10⁻⁹ was correct. This error affects the interpretation of population-size changes over time and their possible correspondence with kno...
Article
Directional growth in all plants involves both phototropic and gravitropic responses. Accordingly, mechanisms controlling shoot architecture throughout the plant kingdom are likely similar. However, as forms vary between species due in part to gene copy number and functional divergence, some aspects of how plants predetermine and regulate architect...
Article
Full-text available
Prunus persica (peach) trees carrying the “Pillar” or “Broomy” trait (br) have vertically oriented branches caused by loss-of-function mutations in a gene called TILLER ANGLE CONTROL 1 (TAC1). TAC1 encodes a protein in the IGT gene family that includes LAZY1 and DEEPER ROOTING 1 (DRO1), which regulate lateral branch and root orientations, respectiv...
Article
Significance Trees’ branches grow against the pull of gravity and toward light. Although gravity and light perception have been studied in model species, much is unknown about how trees detect and respond to these signals. Here, we report the identification of a gene ( WEEP ) that controls lateral branch orientations and is directly or indirectly r...
Article
Full-text available
Silver birch (Betula pendula) is a pioneer boreal tree that can be induced to flower within 1 year. Its rapid life cycle, small (440-Mb) genome, and advanced germplasm resources make birch an attractive model for forest biotechnology. We assembled and chromosomally anchored the nuclear genome of an inbred B. pendula individual. Gene duplicates from...
Article
Little is known about the genetic factors controlling tree size and shape. Here, we studied the genetic basis for a recessive brachytic dwarfism trait (dw) in peach (Prunus persica) that has little or no effect on fruit development. A sequencing-based mapping strategy positioned dw on the distal end of chromosome 6. Further sequence analysis and fi...
Article
I. II. III. IV. V. References SUMMARY: The architecture of trees greatly impacts the productivity of orchards and forestry plantations. Amassing greater knowledge on the molecular genetics that underlie tree form can benefit these industries, as well as contribute to basic knowledge of plant developmental biology. This review describes the fundamen...
Article
Full-text available
Flowers are reproductive organs and precursors to fruits and seeds. While the basic tenets of the ABCE model of flower development are conserved in angiosperms, different flowering plants exhibit different and sometimes unique characteristics. A distinct feature of strawberry flowers is the development of several hundreds of individual apocarpous (...
Article
Full-text available
Fragaria vesca, a diploid strawberry species commonly known as the alpine or woodland strawberry, is a versatile experimental plant system and an emerging model for the Rosaceae family. An ancestral F. vesca genome contributed to the genome of the octoploid dessert strawberry (F. xananassa), and the extant genome exhibits synteny with other commerc...
Article
Trees are capable of tremendous architectural plasticity, allowing them to maximize their light exposure under highly competitive environments. One key component underlying tree architecture is the branch angle. Yet, little is known about the molecular basis for spatial patterning of branches in trees. Here, we report the identification of a candid...
Conference Paper
Cultivated strawberry (Fragaria x ananassa) is a valuable perennial crop, yet little is known about the molecular physiology of its growth and development. Because F. x ananassa is octoploid, the diploid woodland strawberry, F. vesca was developed as a model system for strawberry. Genome sequence of F. vesca has been published, several inbred lines...
Article
Full-text available
The diploid woodland strawberry, Fragaria vesca, is being recognized as a model for the more complex octoploid commercial strawberry, Fragaria × ananassa. F. vesca exhibits a short seed to seed cycle, can be easily transformed by Agrobacteria, and a draft genome sequence has been published. These features, together with its similar flower structure...
Article
Full-text available
Central to the ABCE model of flower development is the antagonistic interaction between class A and class C genes. The molecular mechanisms underlying the A-C antagonism are not completely understood. In Arabidopsis thaliana, miR172 is expressed in the inner floral whorls where it downregulates the class A gene APETALA 2 (AP2). However, what contro...
Article
Full-text available
Investigation of gene function in diverse organisms relies on knowledge of how the gene products interact with each other in their normal cellular environment. The Bimolecular Fluorescence Complementation (BiFC) Assay(1) allows researchers to visualize protein-protein interactions in living cells and has become an essential research tool. This assa...
Article
Full-text available
High fatty acid (FA) flux is associated with systemic insulin resistance, and African-American (AA) women tend to be more insulin resistant. We assessed possible depot and race difference in the antilipolytic effect of insulin in adipocytes isolated from abdominal (Abd) and gluteal (Glt) subcutaneous (sc) adipose tissue of overweight, postmenopausa...
Article
Full-text available
Histone acetylation and deacetylation are directly connected with transcriptional activation and silencing in eukaryotes. Gene families for enzymes that accomplish these histone modifications show surprising complexity in domain organization, tissue-specific expression, and function. This review is focused on the family of histone deacetylases (HDA...

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