Inheritance & Variation of Traits, Inheritance 5: DNA Technology (MS), Life Science, Natural Selection & Evolution, NSE 2: Taxonomy (MS)

Genetic diversity of Entamoeba in cockroaches

Genetic diversity of Entamoeba: Novel ribosomal lineages from cockroaches SUMMARY: Researchers in this study looked at the diversity of Entamoeba in 3 different species of cockroaches (the American roach, the Dubia roach, and the Madagascar hissing roach) by looking at SSU rDNA in the ground up intestines of the cockroaches. They found that the Entamoebas… Continue reading Genetic diversity of Entamoeba in cockroaches

Inheritance 5: DNA Technology (MS), Life Science, Natural Selection & Evolution, NSE 2: Taxonomy (MS)

Relationship between the flagellates and the ciliates

Relationship between the flagellates and the ciliates SUMMARY: This is an article comparing the structural and genomic differences between ciliates and flagellates. Dinoflagellates seem to be the ancestors of ciliates based on similarities in various cell structures and rRNA sequencing. Structures compared include: mitochondria, mechanisms of cilia and flagella, nucleus, and how flagellate and ciliates… Continue reading Relationship between the flagellates and the ciliates

Inheritance & Variation of Traits, Inheritance 1: Behavior and Reproduction (MS), Inheritance 2: Genes and Growth (MS), Inheritance 4: Asexual/Sexual (MS), Inheritance 4: Population Genetics (HS), Inheritance 5: DNA Technology (MS), Life Science

Environmental DNA sequencing primers for eutardigrades and bdelloid rotifers

Environmental DNA sequencing primers for eutardigrades and bdelloid rotifers SUMMARY: This article talked about using soil eutardigrades and bdelloid rotifer primers to quickly and easily identify these organisms directly. Due to the fact that there are so many types of microorganisms in soil, many of which are still unidentified and unable to be cultured in… Continue reading Environmental DNA sequencing primers for eutardigrades and bdelloid rotifers

Inheritance & Variation of Traits, Inheritance 2: Genes and Growth (MS), Life Science, S&F 2: Body Systems (HS), S&F 3: Body Systems (MS), Structure and Function

Ingestion of Lactobacillus strain regulates emotional behavior and central GABA receptor expression

Ingestion of Lactobacillus strain regulates emotional behavior and central GABA receptor expression in a mouse via the vagus nerve SUMMARY: This study looked at the effect of Lactobacillus rhamnosus on GABA receptors in the brain as well as the role of the vagus nerve in communicating between the gut and the brain. Results showed that… Continue reading Ingestion of Lactobacillus strain regulates emotional behavior and central GABA receptor expression

Inheritance & Variation of Traits, Inheritance 5: DNA Technology (MS), Life Science

Role of CRISPR in Pathogenic Bacteria

The Role of CRISPR-Cas Systems in Virulence of Pathogenic Bacteria SUMMARY: The introduction talks about the different types of CRISPR-Cas systems and the first section explains how these CRISPR systems were used in the past (mostly to see the genotypic relationship between bacteria). It wasn’t until 2013 that scientists discovered CRISPR was a type of… Continue reading Role of CRISPR in Pathogenic Bacteria

Interdependent Relationships in Ecosystems, IR 1: Ecosystem Interactions (MS), IR 3: Ecosystem Stability (HS), Life Science

Protists Around European Waters

Patterns of Rare and Abundant Marine Microbial Eukaryotes SUMMARY: This study looked at the ratio of different sub-communities of protists around different bodies of waters around Europe. What they found was that the ratio was very similar no matter where the sample was taken from. Researchers sequenced ribosomal RNA (rRNA) of the organisms; rRNA lets… Continue reading Protists Around European Waters