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Screening for complex genetic interactions
December 28, 2006In a report published online ahead of the January 15th print edition, Dr. David Amberg (SUNY Upstate Medical University) and colleagues have developed a large-scale reverse genetic screen to identify complex haploinsufficient interactions in S. cerevisiae. A complex haploinsufficiency (CHI) interaction is defined by heterozygous null/wildtype alleles in two different genes that combine to yield a more severe phenotypic defect. To illustrate the utility of this novel approach, the researchers culled through nearly 5000 strains of yeast to identify over 200 genes that interact with actin. This paper is one of the first examples of a large-scale CHI screen, and it is expected that this kind of systemic analysis will be particularly useful in uncovering complex genetic interactions in other organisms, including the study of human genetic disorders. Dr. Amberg states that "We knew that actin was an important gene but we were still surprised at the large number of CHI interactions we uncovered. This test case suggests that CHI interactions in complex organisms have major influences on phenotype."
Cold Spring Harbor Laboratory
Interactions Current Events and Interactions News RSSResearch sheds light on workings of anti-cancer drug
The copper sequestering drug tetrathiomolybdate (TM) has been shown in studies to be effective in the treatment of Wilson disease, a disease caused by an overload of copper, and certain metastatic cancers.
Engineers, doctors at UCLA develop novel material that could help fight arterial disease
A fortuitous discovery that grew out of a collaboration between UCLA engineers and physicians could potentially offer hope to the nearly 10 million Americans who suffer from peripheral arterial disease.
Knockouts in human cells point to pathogenic targets
Whitehead researchers have developed a new type of genetic screen for human cells to pinpoint specific genes and proteins used by pathogens, according to their paper in Science.
Ecological speciation by sexual selection on good genes
Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation.
Observation of confinement phenomenon in condensed matter
An experiment has confirmed that spinons, particle-like magnetic excitations, can be confined in a magnetic insulator similar to the way elementary quarks are confined within individual protons and neutrons.
Making sense of greenhouse gas accounting
Waste management is increasingly gaining the recognition that it deserves as a major contributor to mitigating climate change.
University of Minnesota invention will help speed development of drug treatments for heart failure
Research conducted by University of Minnesota scientists, in collaboration with Celladon Corporation, has led to the invention of technology to more rapidly identify compounds for the treatment of heart failure.
Computational microscope peers into the working ribosome
Two new studies reveal in unprecedented detail how the ribosome interacts with other molecules to assemble new proteins and guide them toward their destination in biological cells.
Research challenges for understanding landscape changes identified
Nine research challenges and four research initiatives that are poised to advance the study of how Earth's landscapes change were unveiled today in a new report by the National Research Council.
Scientists find molecular trigger that helps prevent aging and disease
Researchers at Mount Sinai School of Medicine set out to address a question that has been challenging scientists for years: How do dietary restriction-and the reverse, overconsumption-produce protective effects against aging and disease?
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Interactions: Collaboration Skills for School Professionals (6th Edition) by Marilyn Friend (Author), Lynne Cook (Author) The most widely-used text on the topic of collaboration, Interactions is a guide for preprofessionals and professionals to help them understand and participate effectively in their interactions with other school professionals and parents. It addresses collaboration as a style, with accompanying knowledge and skills, that guides practices in many education efforts. Interactions provides a cutting-edge look at how teams of school professionals-- special educators, general educators and related services professionals--can effectively work together to provide a necessary range of services to students with special needs. As a result, future teachers learn how to collaborate with school professionals and families to help special education students who are more often being placed in general... |
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Interactions: A Thematic Reader by Ann Moseley (Author), Jeanette Harris (Author) Interactions: A Thematic Reader is designed to help students discover meaning in what they read and to convey meaning in what they write. The text's readings and accompanying apparatus--which have been class tested and proven effective through six previous editions--guide students from a consideration of self to an awareness of how the self interacts with other people and phenomena. The book explains to students the process and interdependence of reading and writing, stressing the connections students can make between their own experiences and what they read. It also introduces them to prewriting techniques such as freewriting, brainstorming, mapping, clustering, and journals. The Seventh Edition includes approximately ninety reading selections, about one-third of which are new.... |
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Interactions 1 Listening/Speaking, Silver Edition (Student Book with Audio CD) by Judith Tanka (Author), Paul Most (Author) |
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Interaction: Révision de grammaire française (with Audio CD) by Susan St. Onge (Author), Ronald St. Onge (Author) INTERACTION is a complete program offering unparalleled support for the study of culture, literature, and language at the intermediate level. This edition offers a broad range of cultural and literary content, and concise, yet thorough grammar explanations. INTERACTION combines the best of a complete grammar text and a literary and cultural reader in one convenient, one-book format. Each theme-based chapter encourages students to expand linguistic and cultural knowledge through readings and communicative activities. The Seventh Edition makes even greater use of different applications of technology to learning-both in and out of the classroom-including a new video program and iLrn™ French, a powerful all-in-one online solution that helps you level the playing field and manage your course. |
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Interactions 2 - Reading Student Book: Silver Edition by Pamela Hartmann (Author), Elaine Kirn (Author) Interactions/Mosaic Silver Edition is a fully-integrated, 18-book academic series. Language proficiencies are articulated across five ability levels (beginning through advanced) within each of the four language skill strands. Chapter themes articulate across the four skill strands to systematically recycle content, vocabulary, and grammar. New to the Silver Edition Teacher-approved, contemporary, full-color design - for Interactions Access and Interactions 1 and 2 reading and Listening/Speaking - showcases compelling instructional photos to strengthen the educational experience. Up-to-date, engaging global content appeals to the sophisticated, academic audience for Interactions/Mosaic. Enhanced focus on vocabulary building, test taking... |
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Interactions 1 - Reading Student Book: Silver Edition by Elaine Kirn (Author), Pamela Hartmann (Author) Interactions/Mosaic Silver Edition is a fully-integrated, 18-book academic series. Language proficiencies are articulated across five ability levels (beginning through advanced) within each of the four language skill strands. Chapter themes articulate across the four skill strands to systematically recycle content, vocabulary, and grammar. New to the Silver Edition Teacher-approved, contemporary, full-color design - for Interactions Access and Interactions 1 and 2 reading and Listening/Speaking - showcases compelling instructional photos to strengthen the educational experience. Up-to-date, engaging global content appeals to the sophisticated, academic audience for Interactions/Mosaic. Enhanced focus on vocabulary building, test taking... |
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Interaction Eve by MPA Sales The girl 'bot from the movie comes to life with motorized animated actions and cool light-up features. Requires 3 "AA" batteries, included. Measures approximately 8" tall. |
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Interactions 2: Listening/Speaking (Bk. 2) by Judith Tanka (Author), Lida R. Baker (Author) "Interactions Mosaic 4th Edition" is the newly expanded five-level, four-skill comprehensive ESL/ELT series for academic students. The new edition, for beginners to advanced learners, incorporates interactive and communicative activities while still focusing on skill building to prepare students for academic content. Reading, writing, listening and speaking, as well as grammar are thoroughly presented in each strand. High-interest themes are integrated across all skill strands and levels. Language proficiencies as well are articulated from level to level. New features include: global activities are suitable for ESL/ELT monolingual or multilingual classrooms; new design, content, audio programs, photos, and illustrations reinforce skill-building exercises; placement tests and chapter... |
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Full Circle Online Interaction Blog by Full Circle Online Interaction Blog A place to capture and share ideas and links about online interaction, community, distance learning, distributed communities of practice and teams from Full Circle Associates. Oh, and a little chocolate as well!Kindle blogs are fully downloaded onto your Kindle so you can read them even when you're not wirelessly connected. And unlike RSS readers which often only provide headlines, blogs on Kindle give you full text content and images, and are updated wirelessly throughout the day. |
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