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Articles 1 - 30 of 40
Full-Text Articles in Life Sciences
Does Diet Breadth Resolve Variation In Climate Driven Range Shifts Of Ohio Butterflies?, Lydia Beera, Angie Lenard, Sarah E. Diamond
Does Diet Breadth Resolve Variation In Climate Driven Range Shifts Of Ohio Butterflies?, Lydia Beera, Angie Lenard, Sarah E. Diamond
Intersections Fall 2020
As a result of recent climate change, many species are rapidly altering their geographic ranges, in a phenomenon known as range shifting. In general, the shifts tend to be geographically poleward or upslope, but there is a lot of variation in the magnitude or direction of contemporary range shifts. Theory suggests that specialization might constrain range shift responses. In this experiment, we examined the relationship between the magnitude and direction of range shift responses and degree of diet specialization of Ohio butterfly larvae. We used a long-term monitoring dataset of butterfly range dynamics to test this relationship. Surprisingly, we did …
Changes In Meiotic Crossover Distribution And Frequency In Response To Chromosome Structural Variants, Christiana Wang, Nicole Crown
Changes In Meiotic Crossover Distribution And Frequency In Response To Chromosome Structural Variants, Christiana Wang, Nicole Crown
Intersections Fall 2020
Meiosis is an important mechanism that generates genetic variation for sexually reproducing organisms through recombination. In order for an organism to successfully propagate its genetic material from one generation to the next, its genome must be properly delivered as gametes. Meiotic crossing over of DNA ensures proper homolog segregation by repairing programmed double-stranded breaks. Meiotic defects caused by chromosome structural variants are detrimental to reproduction. During the interchromosomal effect, heterozygous inversions suppress crossing over between affected chromosomes while increasing crossing over between normal chromosome pairs. These defects in chromosomal dynamics trigger the pachytene checkpoint, leading to a delay in prophase …
Optimizing Aplysia Californica's Living Conditions, Ruiying Xu
Optimizing Aplysia Californica's Living Conditions, Ruiying Xu
Intersections Fall 2020
The marine mollusk Aplysia californica is an important model organism for neuroscience research. In laboratory aquaria, animal waste may accumulate and harm animals unless water is replaced frequently. To keep animals healthy for longer, we have designed a marine environment that replicates the natural nitrogen cycle. Our animals' holding tanks have two compartments: a main compartment for animals and a refugium for macroalgae. We are studying whether ammonia and nitrate derived from animal waste cause illness in Aplysia, and whether macroalgae can sequester nitrates and reverse illness. We measured increases in nitrate and ammonia in the absence of macroalgae. We …
Wheelchair Athlete Concussion Baseline Data: A Pilot Retrospective Analysis, Jonathan Lee, Michael Harper, Michael Uihlein, Kenneth Lee
Wheelchair Athlete Concussion Baseline Data: A Pilot Retrospective Analysis, Jonathan Lee, Michael Harper, Michael Uihlein, Kenneth Lee
Intersections Fall 2020
After a thorough literature search and through experience at adaptive sports events, we identified a lack of established guidelines for Sport-related concussion (SRC) evaluation and management in wheelchair athletes. Wheelchair athletes are a unique population, and certain conventional methods of evaluating SRC in able-bodied sports cannot be used. For example, wheelchair athletes' underlying disabilities restrict the use of standard balance testing protocols. In addition, some wheelchair athletes have concurrent traumatic brain injuries and may have baseline cognitive deficits associated with their disability that mimic the symptoms of a concussion. This research focused on discussing current concussion management guidelines in Adaptive …
Behavioral Observations Surrounding A Diet Change Of Zoo-Housed Matschie's Tree Kangaroos (Dendrolagus Matschiei), Sarah Miller, Noah T. Dunham, Diana Koester
Behavioral Observations Surrounding A Diet Change Of Zoo-Housed Matschie's Tree Kangaroos (Dendrolagus Matschiei), Sarah Miller, Noah T. Dunham, Diana Koester
Intersections Fall 2020
The diet of zoo-housed animals has significant implications to many aspects of each species' health and survival. A recent study revealed the diet of free-ranging Matschie's tree kangaroos (Dendrolagus matschiei) to be mostly browse-focused, including plants like leaves, ferns, and orchids. Prior to those findings, zoo-housed tree kangaroos were fed diets, mostly biscuit-based, that differ vastly from that of free-ranging tree kangaroos possibly contributing to widespread issues within zoos concerning obesity and low reproductive success. The Cleveland Metroparks Zoo (CMZ) houses two Matschie tree kangaroos which, in 2019, underwent a significant diet change from a more traditional, baseline, biscuit-heavy diet …
Determination Of Potential Azotobacter Vinelandii Bacteriophage Gene Sequences: A Bioinformatics Approach, Anish Reddy, Sarah Bagby
Determination Of Potential Azotobacter Vinelandii Bacteriophage Gene Sequences: A Bioinformatics Approach, Anish Reddy, Sarah Bagby
Intersections Fall 2020
Microbial communities play a key role in shaping many diverse ecosystems through their biogeochemical contributions. These communities comprise not only bacteria and archaea but also their viruses, whose reproduction profoundly affects host cell biology. While many bacterial species have been well characterized, the challenges of isolation and sequencing have hampered the study of environmental viruses such as bacteriophages. The model organism Azotobacter vinelandii is a common nitrogen-fixing soil bacterium. To our knowledge, no Azotobacter phages currently exist in culture. However, modern bioinformatic and database approaches can be used to identify the metagenomic sequences that may derive from bacteriophages that infect …
Research, Monitoring, Assessment And Development Plan 2011 – 2012, Department Of Fisheries
Research, Monitoring, Assessment And Development Plan 2011 – 2012, Department Of Fisheries
Fisheries occasional publications
No abstract provided.
Current Methods For Detecting The Presence Of Botulinum Neurotoxins In Food And Other Biological Samples, Luisa W. Cheng, Kirkwood M. Land, L. H. Stanker
Current Methods For Detecting The Presence Of Botulinum Neurotoxins In Food And Other Biological Samples, Luisa W. Cheng, Kirkwood M. Land, L. H. Stanker
College of the Pacific Faculty Books and Book Chapters
No abstract provided.
"Release Factor 2 (Rf2) Is A Key Structural Component Found In The Ribosomes Of All Prokaryotic Organisms…", Zachary Wise
"Release Factor 2 (Rf2) Is A Key Structural Component Found In The Ribosomes Of All Prokaryotic Organisms…", Zachary Wise
Summer Community of Scholars Posters (RCEU and HCR Combined Programs)
No abstract provided.
Biology News, Winter 2012, University Of Northern Iowa. Department Of Biology.
Biology News, Winter 2012, University Of Northern Iowa. Department Of Biology.
Biology News
Inside this issue:
-- Greetings from the Biology Department
-- Focus on UNI Biology Alumni
-- Let us hear from you...
-- Science Teacher Pays it Forward
-- Reconnect with the Department of Biology
-- Taiwan exchange program - year one a success!
-- Dr. Steve O'Kane and Dr. John Ophus receive Dean's Awards
-- Field Research in the Northern Gulf of Mexico
-- Biology receives grant from Roy J. Carver Charitable Trust
-- Dr. Peter Berendzen receives State Wildlife Grant
-- Seed Grants from the UNI-Office of Sponsored Research
-- Focus on UNI Biology Students
-- Pre-Med Club
-- …
Conclusion Panel, Allison Marsh
Mapping The Ocean Frontier, Allison Marsh
Mapping The Ocean Frontier, Allison Marsh
Section 4: Imaging the Concealed
No abstract provided.
Spotlight On Usc: South Carolina Institute For Anthropology And Archaeology, Allison Marsh
Spotlight On Usc: South Carolina Institute For Anthropology And Archaeology, Allison Marsh
Section 4: Imaging the Concealed
No abstract provided.
Seeing With Sound, Allison Marsh
Seeing With Sound, Allison Marsh
Section 4: Imaging the Concealed
No abstract provided.
World Ocean Floor, Courtesy Of The Library Of Congress, Allison Marsh
World Ocean Floor, Courtesy Of The Library Of Congress, Allison Marsh
Section 4: Imaging the Concealed
No abstract provided.
Marie Tharp At Her Drafting Table, Courtesy Of The Lamont-Doherty Earth Observatory, Earth Institute, Columbia University, Allison Marsh
Marie Tharp At Her Drafting Table, Courtesy Of The Lamont-Doherty Earth Observatory, Earth Institute, Columbia University, Allison Marsh
Section 4: Imaging the Concealed
No abstract provided.
Why Do We Collect?, Allison Marsh
Why Do We Collect?, Allison Marsh
Section 2: Imaging the Microscopic
No abstract provided.
Imaging And Aesthetics, Allison Marsh
Imaging And Aesthetics, Allison Marsh
Section 2: Imaging the Microscopic
No abstract provided.
A Crossword Puzzle For Kids, Allison Marsh
An Exhibit Wordle, Allison Marsh
Word Find, Allison Marsh
Lesson Plans, Activities, And Further Reading, Allison Marsh
Lesson Plans, Activities, And Further Reading, Allison Marsh
Handouts
No abstract provided.
Images From The Exhibit, Page 2, Allison Marsh
Images From The Exhibit, Page 1, Allison Marsh
Capturing Motion, Allison Marsh
Capturing Motion, Allison Marsh
Section 3: Imaging the Fast Moving
No abstract provided.
Understanding Fracture, Allison Marsh
Understanding Fracture, Allison Marsh
Section 3: Imaging the Fast Moving
No abstract provided.
Listen, Allison Marsh
Photographic Evidence, Allison Marsh
Photographic Evidence, Allison Marsh
Section 3: Imaging the Fast Moving
No abstract provided.
Spotlight On Usc: Mechanical Engineering, Allison Marsh
Spotlight On Usc: Mechanical Engineering, Allison Marsh
Section 3: Imaging the Fast Moving
No abstract provided.
Usc Image Center, Allison Marsh