Wun S. Chao

Growth Regulators and Chemicals Stimulate Germination of Leafy Spurge (Euphorbia esula) Seeds (2008)

Michael E. Foley, Wun S. Chao

Baseline information on inducing germination of dormant leafy spurge seeds with growth regulators and chemicals is lacking. This study was conducted to survey the effect of various substances on...

Real-Time PCR as a Tool to Study Weed Biology (2008)

Wun S. Chao

Real-time polymerase chain reaction (real-time PCR), also known as quantitative PCR, is used to determine relative gene expression or to quantify exact levels of mRNA in cells or tissues. Before the...

Sugars, hormones, and environment affect the dormancy status in underground adventitious buds of leafy spurge (Euphorbia esula) (2006)

Wun S. Chao, Marcelo D. Serpe, James V. Anderson, Russ W. Gesch, David P. Horvath

Signals from both leaves and apical or axillary meristems of leafy spurge are known to inhibit root bud growth. To test the hypothesis that carbohydrates and growth regulators affect root bud growth,...

Transcriptome analysis of paradormancy release in root buds of leafy spurge (Euphorbia esula) (2005)

David P. Horvath, Mauricio Soto-Suárez, Wun S. Chao, Ying Jia, James V. Anderson

Bud dormancy is the primary mechanism by which the many perennial weeds escape herbicidal and mechanical control. We developed a 2,654-element Euphorbiaceae cDNA microarray using 1,886 sequenced...

Potential model weeds to study genomics, ecology, and physiology in the 21st century (2005)

Wun S. Chao, Dave P. Horvath, James V. Anderson, Michael E. Foley

Plant model systems have contributed greatly to the dramatic progress in understanding the fundamental aspects of plant biology. Using model weeds will also help facilitate focused funding and...

Cloning, characterization, and expression of growth regulator CYCLIN D3-2 in leafy spurge (Euphorbia esula) (2005)

David P. Horvath, James V. Anderson, Ying Jia, Wun S. Chao

We have isolated both a genomic and near full length cDNA clone for a D-class cyclin gene from the perennial weed leafy spurge. Sequence analysis indicates that this gene has the highest similarity...

Contemporary methods to investigate seed and bud dormancy (2002)

Wun S. Chao

Dormancy is a state of shifted physiological activities with cessation of growth. It occurs in seeds and vegetative propagules and enables plants to survive in adverse growing conditions. Traditional...

Review: A current review on the regulation of dormancy in vegetative buds (2001)

James V. Anderson, Wun S. Chao, David P. Horvath

In this review, we examine current techniques and recent advances directed toward understanding cellular mechanisms involved in controlling dormancy in vegetative propagules. Vegetative propagules...

Leucine Aminopeptidase RNAs, Proteins, and Activities Increase in Response to Water Deficit, Salinity, and the Wound Signals Systemin, Methyl Jasmonate, and Abscisic Acid1

Chao, Wun S., Gu, Yong-Qiang, Pautot, Véronique, Bray, Elizabeth A., Walling, Linda L.

LapA RNAs, proteins, and activities increased in response to systemin, methyl jasmonate, abscisic acid (ABA), ethylene, water deficit, and salinity in tomato (Lycopersicon esculentum). Salicylic acid...

Molecular Analysis of Signals Controlling Dormancy and Growth in Underground Adventitious Buds of Leafy Spurge

Horvath, David P., Chao, Wun S., Anderson, James V.

Dormancy and subsequent regrowth of adventitious buds is a critical physiological process for many perennial plants. We have used the expression of hormone and cell cycle-responsive genes as markers...

Leucine Aminopeptidase RNAs, Proteins, and Activities Increase in Response to Water Deficit, Salinity, and the Wound Signals Systemin, Methyl Jasmonate, and Abscisic Acid1

Chao, Wun S., Gu, Yong-Qiang, Pautot, Véronique, Bray, Elizabeth A., Walling, Linda L.

LapA RNAs, proteins, and activities increased in response to systemin, methyl jasmonate, abscisic acid (ABA), ethylene, water deficit, and salinity in tomato (Lycopersicon esculentum). Salicylic acid...

Molecular Analysis of Signals Controlling Dormancy and Growth in Underground Adventitious Buds of Leafy Spurge

Horvath, David P., Chao, Wun S., Anderson, James V.

Dormancy and subsequent regrowth of adventitious buds is a critical physiological process for many perennial plants. We have used the expression of hormone and cell cycle-responsive genes as markers...