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Distribution of bacterial genes driving dimethyl sulfide cycling in the polar oceans
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This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:

"Dimethyl sulfide (DMS) is a gas produced by bacteria and algae that gives the ocean its distinctive scent. It also plays an important role in cloud formation, leading scientists to think its production may be instrumental in regulating climate change. But sea ice melt in the polar oceans under global warming has led to a reduction in DMS production, which may further intensify climate warming. To gain a better understanding of how bacteria contribute to DMS production, scientists recently investigated the distribution of bacterial genes involved in DMS cycling in seawater samples collected from around the world. They found evidence that intense DMS cycling facilitated predominantly by Alphaproteobacteria and Gammaproteobacteria occurs in the Arctic and Antarctic oceans, with high involvement of the enzymes DMSP demethylase, DMSP lyases, and trimethylamine monooxygenase..."

The rest of the transcript, along with a link to the research itself, is available on the resource itself.

Subject:
Biology
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
Research Square
Provider Set:
Video Bytes
Date Added:
03/01/2022
Genetic Neurobiology
Conditional Remix & Share Permitted
CC BY-NC-SA
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This course deals with the specific functions of neurons, the interactions of neurons in development, and the organization of neuronal ensembles to produce behavior. Topics covered include the analysis of mutations, and molecular analysis of the genes required for nervous system function. In particular, this course focuses on research work done with nematodes, fruit flies, mice, and humans.

Subject:
Biology
Genetics
Life Science
Physical Science
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Littleton, Troy
Quinn, William
Date Added:
09/01/2005
Genetics
Conditional Remix & Share Permitted
CC BY-NC-SA
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This course discusses the principles of genetics with application to the study of biological function at the level of molecules, cells, and multicellular organisms, including humans. The topics include: structure and function of genes, chromosomes and genomes, biological variation resulting from recombination, mutation, and selection, population genetics, use of genetic methods to analyze protein function, gene regulation and inherited disease.

Subject:
Biology
Genetics
Life Science
Physical Science
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Fink, Gerald
Kaiser, Chris
Mischke, Michelle
Samson, Leona
Date Added:
09/01/2004
Performance of next-gen sequencing platforms in diagnosing autosomal dominant polycystic kidney disease
Unrestricted Use
CC BY
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This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:

"Genetic sequencing is faster and cheaper than ever. But are the latest techniques more reliable than traditional ones? Scientists at the Dasman Diabetes Institute and Kuwait University are investigating that question for one of the trickiest genetic diseases to diagnose: autosomal dominant polycystic kidney disease. ADPKD is an inherited disease in which clusters of fluid-filled cysts accumulate in both kidneys, leading to increased kidney volume, impaired kidney functions, and, ultimately, kidney failure. In fact, ADPKD is the fourth leading cause of kidney failure, affecting one in every 800 to 1000 people worldwide. People with ADPKD may also develop cysts in the liver and other complications. The cause: mutations in genes PKD1 and PKD2. Genetic diagnosis allows doctors to detect the disease before symptoms even arise. The gold standard for doing so is Sanger sequencing. This technique sequences one DNA fragment at a time to detect mutations in the genome..."

The rest of the transcript, along with a link to the research itself, is available on the resource itself.

Subject:
Genetics
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
Research Square
Provider Set:
Video Bytes
Date Added:
09/23/2019
Probing the gut microbiome of migratory birds for antibiotic resistance genes
Unrestricted Use
CC BY
Rating
0.0 stars

This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:

"Antibiotic resistance is a growing public health problem. By the year 2050, more than 10 million people are expected to die from resistant infections. How are researchers tackling that problem? One team is looking at the gut bacteria found in migratory birds. Migratory birds acquire and spread antibacterial resistance genes from their environment with the gut microbiome, serving as a reservoir for these insidious genes. To understand the role of the gut microbiome, researchers gathered fecal samples from migratory birds and their favorite landing spots in China. Genetic analysis revealed 1030 distinct genes conferring resistance to antibiotics including tetracycline, aminoglycoside, β-lactam, and sulfonamide. While the microbes detected in the guts of birds were less diverse than those found in their surroundings, birds carried a greater number of antibiotic resistance genes..."

The rest of the transcript, along with a link to the research itself, is available on the resource itself.

Subject:
Biology
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
Research Square
Provider Set:
Video Bytes
Date Added:
10/28/2020