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Articles 1 - 9 of 9
Full-Text Articles in Entire DC Network
Illuminating Protist Diversity In Pitcher Plants And Bromeliad Tanks, Robin S. Sleith, Laura A. Katz
Illuminating Protist Diversity In Pitcher Plants And Bromeliad Tanks, Robin S. Sleith, Laura A. Katz
Biological Sciences: Faculty Publications
Many species of plants have evolved structures called phytotelmata that store water and trap detritus and prey. These structures house diverse communities of organisms, the inquiline microbiome, that aids breakdown of litter and prey. The invertebrate and bacterial food webs in these systems are well characterized, but less is known about microbial eukaryotic community dynamics. In this study we focus on microbes in the SAR clade (Stramenopila, Alveolata, Rhizaria) inhabiting phytotelmata. Using small subunit rDNA amplicon sequencing from repeated temporal and geographic samples of wild and cultivated plants across the Northeast U.S.A., we demonstrate that communities are variable within and …
Comparative Studies On The Polymorphism And Copy Number Variation Of Mtssu Rdna In Ciliates (Protista, Ciliophora): Implications For Phylogenetic, Environmental, And Ecological Research, Yurui Wang, Yaohan Jiang, Yongqiang Liu, Yuan Li, Laura A. Katz, Feng Gao, Ying Yan
Comparative Studies On The Polymorphism And Copy Number Variation Of Mtssu Rdna In Ciliates (Protista, Ciliophora): Implications For Phylogenetic, Environmental, And Ecological Research, Yurui Wang, Yaohan Jiang, Yongqiang Liu, Yuan Li, Laura A. Katz, Feng Gao, Ying Yan
Biological Sciences: Faculty Publications
No abstract provided.
Hybrid Genome Assembly Of A Neotropical Mutualistic Ant, Juliane Hartke, Tilman Schell, Evelien Jongepier, Hanno Schmidt, Philipp P. Sprenger, Juraj Paule, Erich Bornberg-Bauer, Thomas Schmitt, Florian Menzel, Markus Pfenninger, Barbara Feldmeyer, Laura A. Katz
Hybrid Genome Assembly Of A Neotropical Mutualistic Ant, Juliane Hartke, Tilman Schell, Evelien Jongepier, Hanno Schmidt, Philipp P. Sprenger, Juraj Paule, Erich Bornberg-Bauer, Thomas Schmitt, Florian Menzel, Markus Pfenninger, Barbara Feldmeyer, Laura A. Katz
Biological Sciences: Faculty Publications
The success of social insects is largely intertwined with their highly advanced chemical communication system that facilitates recognition and discrimination of species and nest-mates, recruitment, and division of labor. Hydrocarbons, which cover the cuticle of insects, not only serve as waterproofing agents but also constitute a major component of this communication system. Two cryptic Crematogaster species, which share their nest with Camponotus ants, show striking diversity in their cuticular hydrocarbon (CHC) profile. This mutualistic system therefore offers a great opportunity to study the genetic basis of CHC divergence between sister species. As a basis for further genome-wide studies high-quality genomes …
Effects Of Thermal Stress On Amount, Composition, And Antibacterial Properties Of Coral Mucus, Rachel M. Wright, Marie E. Strader, Heather M. Genuise, Mikhail Matz
Effects Of Thermal Stress On Amount, Composition, And Antibacterial Properties Of Coral Mucus, Rachel M. Wright, Marie E. Strader, Heather M. Genuise, Mikhail Matz
Biological Sciences: Faculty Publications
Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA, United States of America ABSTRACT The surface mucus layer of reef-building corals supports feeding, sediment clearing, and protection from pathogenic invaders. As much as half of the fixed carbon supplied by the corals' photosynthetic symbionts is incorporated into expelled mucus. It is therefore reasonable to expect that coral bleaching (disruption of the coralfialgal symbiosis) would affect mucus production. Since coral mucus serves as an important nutrient source for the entire reef community, this could have substantial ecosystemwide consequences. In this study, we examined the effects of heat …
Seed Bank And Seasonal Patterns Of The Eukaryotic Sar (Stramenopila, Alveolata And Rhizaria) Clade In A New England Vernal Pool, Chip Sisson, Bethaney Gulla-Devaney, Laura A. Katz, Jean-David Grattepanche
Seed Bank And Seasonal Patterns Of The Eukaryotic Sar (Stramenopila, Alveolata And Rhizaria) Clade In A New England Vernal Pool, Chip Sisson, Bethaney Gulla-Devaney, Laura A. Katz, Jean-David Grattepanche
Biological Sciences: Faculty Publications
Vernal pools are dynamic freshwater ecosystems that dry during the summer. These unique habitats are vital to a number of well-studied animal species but there is little documentation of the diversity of the SAR—Stramenopila, Alveolata and Rhizaria—clade in vernal pools. Here, we characterize the protist community over a portion of the hydroperiod as the vernal pool transitions from its winter stage through its drying out in late summer. Our study focuses on the SAR clade, which encompasses a broad range of morphological diversity and a variety of trophic modes within the microbial food web. Using high-throughput sequencing, we investigate the …
Asymmetric Interference Competition Between Herbivorous Gastropods, Introduced Littorina Littorea And Indigenous L. Obtusata, Alysha B. Putnam, Paulette Peckol
Asymmetric Interference Competition Between Herbivorous Gastropods, Introduced Littorina Littorea And Indigenous L. Obtusata, Alysha B. Putnam, Paulette Peckol
Biological Sciences: Faculty Publications
Competitive interactions may affect distribution and abundance of mobile organisms, such as the intertidal herbivorous gastropods Littorina littorea and L. obtusata, in areas of resource overlap. We examined intra- and interspecific competition between US New England populations by measuring effects of snail density and food availability on growth rates and abundances. We investigated mechanisms of interference, including resistance (phlorotannin) induction of fucoid algae, and impacts of snail presence, waterborne cues, and mucus on herbivory. L. obtusata density increased significantly within fucoid canopies following repeated (every 12 h for 3 d) removal of L. littorea at both study sites. In the …
The Biodiversity Of Gastrointestinal Nematodes In South African Wildlife, Chalis J. Bird
The Biodiversity Of Gastrointestinal Nematodes In South African Wildlife, Chalis J. Bird
Theses, Dissertations, and Projects
In this study, I investigated the diversity of parasites found in cheetah and wild ungulates in South Africa in collaboration with the Samara Private Game Reserve in Graaff Reinet, South Africa. Scat samples were collected over a period of two months, from September November, 2014, and DNA was extracted on the preserve for gastrointestinal nematode analysis. Wildlife was tracked using radio telemetry, tracks, and sign, while habitat and host distribution were documented. The aim was to determine the community composition of gastrointestinal nematodes in the wildlife hosts through molecular identification and to examine the role of host habitat preference, geographical …
How Discordant Morphological And Molecular Evolution Among Microorganisms Can Revise Our Notions Of Biodiversity On Earth, Daniel J.G. Lahr, Haywood Dail Laughinghouse, Angela M. Oliverio, Feng Gao, Laura A. Katz
How Discordant Morphological And Molecular Evolution Among Microorganisms Can Revise Our Notions Of Biodiversity On Earth, Daniel J.G. Lahr, Haywood Dail Laughinghouse, Angela M. Oliverio, Feng Gao, Laura A. Katz
Biological Sciences: Faculty Publications
Microscopy has revealed tremendous diversity of bacterial and eukaryotic forms. Recent molecular analyses show discordance in estimates of biodiversity between morphological and molecular analyses. Moreover, phylogenetic analyses of the diversity of microbial forms reveal evidence of convergence at scales as deep as interdomain: morphologies shared between bacteria and eukaryotes. Here, we highlight examples of such discordance, focusing on exemplary lineages such as testate amoebae, ciliates, and cyanobacteria. These have long histories of morphological study, enabling deeper analyses on both the molecular and morphological sides. We discuss examples in two main categories: (i) morphologically identical (or highly similar) individuals that are …
The Marine Microbial Eukaryote Transcriptome Sequencing Project (Mmetsp): Illuminating The Functional Diversity Of Eukaryotic Life In The Oceans Through Transcriptome Sequencing, Patrick J. Keeling, Fabien Burki, Heather M. Wilcox, Bassem Allam, Eric E. Allen, Linda A. Amaral-Zettler, E. Virginia Armbrust, John M. Archibald, Arvind K. Bharti, Callum J. Bell, Bank Beszteri, Kay D. Bidle, Connor T. Cameron, Lisa Campbell, David A. Caron, Rose Ann Cattolico, Jackie L. Collier, Kathryn Coyne, Simon K. Davy, Phillipe Deschamps, Sonya T. Dyhrman, Bente Edvardsen, Ruth D. Gates, Christopher J. Gobler, Spencer J. Greenwood, Stephanie M. Guida, Jennifer L. Jacobi, Kjetill S. Jakobsen, Erick R. James, Bethany Jenkins, Uwe John, Matthew D. Johnson, Andrew R. Juhl, Anja Kamp, Laura A. Katz
The Marine Microbial Eukaryote Transcriptome Sequencing Project (Mmetsp): Illuminating The Functional Diversity Of Eukaryotic Life In The Oceans Through Transcriptome Sequencing, Patrick J. Keeling, Fabien Burki, Heather M. Wilcox, Bassem Allam, Eric E. Allen, Linda A. Amaral-Zettler, E. Virginia Armbrust, John M. Archibald, Arvind K. Bharti, Callum J. Bell, Bank Beszteri, Kay D. Bidle, Connor T. Cameron, Lisa Campbell, David A. Caron, Rose Ann Cattolico, Jackie L. Collier, Kathryn Coyne, Simon K. Davy, Phillipe Deschamps, Sonya T. Dyhrman, Bente Edvardsen, Ruth D. Gates, Christopher J. Gobler, Spencer J. Greenwood, Stephanie M. Guida, Jennifer L. Jacobi, Kjetill S. Jakobsen, Erick R. James, Bethany Jenkins, Uwe John, Matthew D. Johnson, Andrew R. Juhl, Anja Kamp, Laura A. Katz
Biological Sciences: Faculty Publications
No abstract provided.