نتایج جستجو برای: cruciferous weeds

تعداد نتایج: 7017  

Journal: :Trends in plant science 2015
Marcus A Koch

Comparative chromosome painting is a powerful tool to study the evolution of chromosomes and genomes. Analyzing karyotype evolution in cruciferous plants highlights the origin of aberrant chromosomes in apomictic Boechera and further establishes the cruciferous plants as important model system for our understanding of plant chromosome and genome evolution.

2011
Heather Ann Brauer Tanya E Libby Breeana L Mitchell Lin Li Chu Chen Timothy W Randolph Yutaka Y Yasui Johanna W Lampe Paul D Lampe

BACKGROUND Cruciferous vegetable intake is inversely associated with the risk of several cancers. Isothiocyanates (ITC) are hypothesized to be the major bioactive constituents contributing to these cancer-preventive effects. The polymorphic glutathione-S-transferase (GST) gene family encodes several enzymes which catalyze ITC degradation in vivo. METHODS We utilized high throughput proteomics...

Journal: :The American journal of clinical nutrition 2007
Marilyn C Cornelis Ahmed El-Sohemy Hannia Campos

BACKGROUND Cruciferous vegetables are a major dietary source of isothiocyanates that may protect against coronary heart disease. Isothiocyanates induce glutathione S-transferases (GSTs), polymorphic genes that code for enzymes that conjugate isothiocyanates, as well as mutagens and reactive oxygen species, to make them more readily excretable. OBJECTIVE The objective of the study was to deter...

2009
Fei Li Meredith A. J. Hullar Yvonne Schwarz Johanna W. Lampe

In the human gut, commensal bacteria metabolize food components that typically serve as energy sources. These components have the potential to influence gut bacterial community composition. Cruciferous vegetables, such as broccoli and cabbage, contain distinctive compounds that can be utilized by gut bacteria. For example, glucosinolates can be hydrolyzed by certain bacteria, and dietary fibers...

Journal: :The Journal of nutrition 2009
Fei Li Meredith A J Hullar Yvonne Schwarz Johanna W Lampe

In the human gut, commensal bacteria metabolize food components that typically serve as energy sources. These components have the potential to influence gut bacterial community composition. Cruciferous vegetables, such as broccoli and cabbage, contain distinctive compounds that can be utilized by gut bacteria. For example, glucosinolates can be hydrolyzed by certain bacteria, and dietary fibers...

2017
Tengda Lin Gary R Zirpoli Susan E McCann Kirsten B Moysich Christine B Ambrosone Li Tang

Background: The chemopreventive activities of cruciferous vegetables were recognized in the early 1990s, followed by a growth of evidence in various cancer models, including breast cancer. To our knowledge, no studies have examined whether consumption of cruciferous vegetables has changed accordingly, and what impact, if any, on breast cancer risk may have

2013
Sarah Nechuta Bette J. Caan Wendy Y. Chen Marilyn L. Kwan Wei Lu Hui Cai Elizabeth M. Poole Shirley W. Flatt Wei Zheng John P. Pierce Xiao Ou Shu

Cruciferous vegetables are a major source of glucosinolate-derived bioactive compounds such as isothiocyanates, which have been shown in animal and in vitro studies to inhibit cancer growth and progression. Few studies have investigated cruciferous vegetable intake after diagnosis and breast cancer outcomes. Using data from the After Breast Cancer Pooling Project, which includes prospective dat...

2013
Jodie S. Holt Shana R. Welles Katia Silvera Ian M. Heap Sylvia M. Heredia Alejandra Martinez-Berdeja Kai T. Palenscar Lynn C. Sweet Norman C. Ellstrand

Evolved herbicide resistance (EHR) is an important agronomic problem and consequently a food security problem, as it jeopardizes herbicide effectiveness and increases the difficulty and cost of weed management. EHR in weeds was first reported in 1970 and the number of cases has accelerated dramatically over the last two decades. Despite 40 years of research on EHR, why some weeds evolve resista...

2013
Mona H. El-Hadary Gyuhwa Chung

Weeds represent a global agronomic problem that threatens the productivity of cultivated crops. Weeds compete with cultivated crops for the available moisture, nutrients and light. Consequently, weeds significantly reduce either crop yield or quality. Control of weeds is essential to maintaining the production of economic crops. Weed control may be achieved either through manual eradication or ...

2012
Aaron Hager

Numerous plant species are considered weeds in agronomic cropping systems. Weeds have many attributes undesirable to crop producers, not the least being the ability to reduce crop yields through competition for resources such as sunlight, water, nutrients, and space. Weeds also may harbor insects and provide a host for certain plant pathogens. Some weed species, such as wild garlic and eastern ...

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