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Articles 1 - 30 of 42
Full-Text Articles in Life Sciences
Hematopoiesis Of Immature Myeloid Dendritic Cells In Stroma-Dependent Spleen Long-Term Cultures Occurs Independently Of Nf-Kb/Relb Function, Jonathan Tan, Keping Ni, Fei Le, Helen O'Neill
Hematopoiesis Of Immature Myeloid Dendritic Cells In Stroma-Dependent Spleen Long-Term Cultures Occurs Independently Of Nf-Kb/Relb Function, Jonathan Tan, Keping Ni, Fei Le, Helen O'Neill
Jonathan Tan
Objective The nuclear factor-κB (NF-KB)/RelB transcription factor plays an essential role in development of some dendritic cell (DC) subsets in mice. In this laboratory, immature myeloid DC are produced in vitro in a stroma-dependent murine spleen long-term culture (LTC) system. In LTC, DC differentiate from hematopoietic progenitors maintained within the stromal cell matrix. Expression and function of RelB in development of LTC-DC has been investigated, with a view to assessing the relationship between DC produced in this system and other known subsets of DC. Materials and Methods RelB expression by LTC-DC was confirmed by detection of protein by Western blotting, …
Ecological Services To And From Rangelands Of The United States, Ed Frederickson, Kris Havstad, Debra Peters, Rhonda Skaggs, Joel Brown, Brandon Bestelmeyer, Jeffrey Herrick, Jack Wright
Ecological Services To And From Rangelands Of The United States, Ed Frederickson, Kris Havstad, Debra Peters, Rhonda Skaggs, Joel Brown, Brandon Bestelmeyer, Jeffrey Herrick, Jack Wright
Ed L. Frederickson
The over 300 million ha of public and private rangelands in the United States are characterized by low and variable precipitation, nutrient-poor soils, and high spatial and temporal variability in plant production. This land type has provided a variety of goods and services, with the provisioning of food and fiber dominating through much of the 20th century. More recently, food production from a rangeland-based livestock industry is often pressured for a variety of reasons, including poor economic returns, increased regulations, an aging rural population, and increasingly diverse interests of land owners. A shift to other provisioning, regulating, cultural, and supporting …
Never Mind Grendel! Can Beowulf Conquer The 21st-Century Guilt Trip?, Stephen Asma
Never Mind Grendel! Can Beowulf Conquer The 21st-Century Guilt Trip?, Stephen Asma
Stephen T Asma
The writer casts doubt on whether the emasculated Beowulf put forward by J. R. R. Tolkien and in the recent movie version of the story transcends and nullifies the heroic original. He suggests that both Beowulfs may be necessary.
Agris: An Fao Information Resource For The Agricultural Journalist, Joe Zumalt
Agris: An Fao Information Resource For The Agricultural Journalist, Joe Zumalt
Joseph R. Zumalt
A review of AGRIS.
Effects Of Eugenol, Α-Terpineol, Terpin-4-Ol, And Methyl Eugenol On Consumption Of Alfalfa Pellets By Sheep, Ed Frederickson
Effects Of Eugenol, Α-Terpineol, Terpin-4-Ol, And Methyl Eugenol On Consumption Of Alfalfa Pellets By Sheep, Ed Frederickson
Ed L. Frederickson
Many secondary compounds are typically present in unpalatable shrubs on arid and semi-arid rangelands. However, the relationship between intake by livestock and concentration of individual chemicals has been examined for very few of these compounds. Four experiments were conducted to examine effects of individual volatile compounds on intake of alfalfa pellets by lambs. Forty-five lambs (9 lambs/treatment) were individually fed alfalfa pellets with eugenol, α-terpineol, terpin-4-ol, or methyl eugenol applied at one of five concentrations. Treatments were multiples (0, 0.5, 1, 2, and 10×) of the concentration (×) of each compound on the leaf surface of Flourensia cernua. Treatment solutions …
How To Survive The Apocalypse, Stephen Asma
How To Survive The Apocalypse, Stephen Asma
Stephen T Asma
The article presents a guide on how people with skepticism and critical thinking can survive the Rapture and Armageddon. According to the Book of Revelations, the Lord will return to the earth to separate the good and the bad. When the Great Tribulation comes, people have no more time for repentance. The impostor strategy is one way to avoid the Tribulation.
Sierra Santa Rosa: An Oasis Of Bird Diversity In Arid Northern Mexico, John Mccormack, Gabriela Castañeda, Greg Levandoski
Sierra Santa Rosa: An Oasis Of Bird Diversity In Arid Northern Mexico, John Mccormack, Gabriela Castañeda, Greg Levandoski
John E. McCormack
No abstract provided.
Identification Of Synechococcus Sp. Iu 625 Metallothionein Gene And Its Evolutionary Relationship To The Metallothionein Gene Of Other Cyanobacteria, Tin-Chun Chu, Lee Lee, John Gaynor, Quinn Vega, Bonnie Lustigman, Shankar Srinivasan
Identification Of Synechococcus Sp. Iu 625 Metallothionein Gene And Its Evolutionary Relationship To The Metallothionein Gene Of Other Cyanobacteria, Tin-Chun Chu, Lee Lee, John Gaynor, Quinn Vega, Bonnie Lustigman, Shankar Srinivasan
Tin-Chun Chu, Ph.D.
No abstract provided.
Agrovoc: A Multilingual Resource For Agricultural Journalists, Joe Zumalt
Agrovoc: A Multilingual Resource For Agricultural Journalists, Joe Zumalt
Joseph R. Zumalt
A review of AGROVOC.
Dinosaurs On The Ark: Natural History And The New Evangelical Museum, Stephen Asma
Dinosaurs On The Ark: Natural History And The New Evangelical Museum, Stephen Asma
Stephen T Asma
This article examines the Creation Museum in Kentucky. Featured at the museum is a replica of Noah's Ark. The author notes that there is some fudging going on to fit all the supposedly transported animals in such a small vessel. According to the museum, the Grand Canyon was not millions of years in the making but appeared after the flood. The evangelical museum is an offshoot of the Answers in Genesis ministry. Ken A. Ham is the director of the museum as well as the head of the ministry. He says that the notion of evolution has done more harm …
Asana To America: The Advent Of Yoga In The West, M. Popovic, Don Morrow
Asana To America: The Advent Of Yoga In The West, M. Popovic, Don Morrow
Donald Morrow
No abstract provided.
Challenging Perceptions Of Ability: The Women’S Challenge Stage Race, Shelley Lucas
Challenging Perceptions Of Ability: The Women’S Challenge Stage Race, Shelley Lucas
Shelley Lucas
An Idaho institution for nearly 20 years, the Women’s Challenge bicycle race grew in size and stature despite the impact of cycling’s international governing body, whose regulations materially limited female cyclists’ physical potential.
The Summit Series: Iconic Cornucopia Of Canadian Cultural Values, Don Morrow
The Summit Series: Iconic Cornucopia Of Canadian Cultural Values, Don Morrow
Donald Morrow
No abstract provided.
Hidden Resources Agricultural Journalists Can Find At Google, Joe Zumalt
Hidden Resources Agricultural Journalists Can Find At Google, Joe Zumalt
Joseph R. Zumalt
Resources within Google for agricultural journalists.
Diversity Among New World Microhylid Frogs (Anura: Microhvlidae): Morphological And Osteological Comparisons Between Nelsonophryne (Gunther 1901) And A New Genus From Peru, Edgar Lehr, Linda Trueb
Diversity Among New World Microhylid Frogs (Anura: Microhvlidae): Morphological And Osteological Comparisons Between Nelsonophryne (Gunther 1901) And A New Genus From Peru, Edgar Lehr, Linda Trueb
Edgar Lehr
A new genus and species of microhylid frogs are described from localities at elevations of 2500-2960 m on the eastern slopes of the Andes in central Peru. These are the first microhylids recorded from the Peruvian Andes and they differ from all other neotropical microhylids by their lack of a tympanum, tympanic annulus and stapes. Phrynopus carpish is removed from Leptodactylidae and placed in Microhylidae. Several novel morphological characters for microhylids are described, among them dermal body spines, expanded nuptial pads in males and heterotopic cartilages. Osteological descriptions and comparison of the new genus with Nelsonophryne revealed a number of …
T Cell Signaling Pathways Inhibited By The Tick Saliva Immunosuppressor, Salp15, Juan Anguita, I.J. Juncadella, R. Garg, S.K. Ananthanarayanan, C.M. Yengo
T Cell Signaling Pathways Inhibited By The Tick Saliva Immunosuppressor, Salp15, Juan Anguita, I.J. Juncadella, R. Garg, S.K. Ananthanarayanan, C.M. Yengo
Juan Anguita
No abstract provided.
Environmental Studies: Interdisciplinary Research On Maine Lakes, Philip Nyhus, F. Cole, David Firmage, Dan Tierney, Susan Cole, Raymond Phillips, Edward Yeterian
Environmental Studies: Interdisciplinary Research On Maine Lakes, Philip Nyhus, F. Cole, David Firmage, Dan Tierney, Susan Cole, Raymond Phillips, Edward Yeterian
Susan Westerberg Cole
No abstract provided.
Hematopoiesis Of Immature Myeloid Dendritic Cells In Stroma-Dependent Spleen Long-Term Cultures Occurs Independently Of Nf-Kb/Relb Function, Jonathan Tan, Keping Ni, Fei Le, Helen O'Neill
Hematopoiesis Of Immature Myeloid Dendritic Cells In Stroma-Dependent Spleen Long-Term Cultures Occurs Independently Of Nf-Kb/Relb Function, Jonathan Tan, Keping Ni, Fei Le, Helen O'Neill
Helen O'Neill
Objective The nuclear factor-κB (NF-KB)/RelB transcription factor plays an essential role in development of some dendritic cell (DC) subsets in mice. In this laboratory, immature myeloid DC are produced in vitro in a stroma-dependent murine spleen long-term culture (LTC) system. In LTC, DC differentiate from hematopoietic progenitors maintained within the stromal cell matrix. Expression and function of RelB in development of LTC-DC has been investigated, with a view to assessing the relationship between DC produced in this system and other known subsets of DC. Materials and Methods RelB expression by LTC-DC was confirmed by detection of protein by Western blotting, …
P38 Map Kinase Controls Nf-Kb Transcriptional Activation And Tnfa Production Through Rela Phosphorylation Mediated By Msk1 In Response To Borrelia Burgdorferi Antigens, Juan Anguita, C.M. Olsen, M.N. Hedrick, H. Izadi, T.C. Bates, E.R. Olivera
P38 Map Kinase Controls Nf-Kb Transcriptional Activation And Tnfa Production Through Rela Phosphorylation Mediated By Msk1 In Response To Borrelia Burgdorferi Antigens, Juan Anguita, C.M. Olsen, M.N. Hedrick, H. Izadi, T.C. Bates, E.R. Olivera
Juan Anguita
No abstract provided.
Solomon's House, Stephen Asma
Solomon's House, Stephen Asma
Stephen T Asma
The article discusses the author's experience of touring the Creation Museum in Kentucky, which was opened in May 2007. He met the museum's director Ken A. Ham, and asked him various questions about the art exhibits. He inquired about the capacity of Noah's ark to carry all pairs of animals in it, and notes that the museum is scaling back the universe. He also shared that the biggest challenge facing the museum is making people see the difference in using the present method and one's belief.
Plethodon Albagula (Western Slimy Salamander), Brooding Defense Behavior And Oophagy, Joseph Milanovich
Plethodon Albagula (Western Slimy Salamander), Brooding Defense Behavior And Oophagy, Joseph Milanovich
Joseph Milanovich
No abstract provided.
Evolution, Jonathan Eisen
A New Species Of The Pristimantis Orestes Group (Anura: Leptodactylidae) From The Cordillera Occidental In Northern Peru, Edgar Lehr, Gunther Kohler
A New Species Of The Pristimantis Orestes Group (Anura: Leptodactylidae) From The Cordillera Occidental In Northern Peru, Edgar Lehr, Gunther Kohler
Edgar Lehr
We describe a new species of the Pristimantis orestes Group from cloud forest at 1700- 1800 m in the Cordillera Occidental in northern Peru (Departamento de Cajamarca). The type series comprises one adult female and three males. The new species has a maximum snout vent-length of29.4 mm, a long snout, dentigerous processes ofvorners present, di scs on outer fingers broadly expanded, males that have vocal slits prescnt and nuptial pads absent, and a distinct color pattern consisting of ran blotches and spots on a brown venter, anterior and posterior surfaces afthe thighs, concealed surfaces of the shanks, and axilla and …
New Eleutherodactyline Frogs (Leptodacetylidae: Pristimantis, Phrynopus) From Peru, Edgar Lehr
New Eleutherodactyline Frogs (Leptodacetylidae: Pristimantis, Phrynopus) From Peru, Edgar Lehr
Edgar Lehr
Four new species of Pristimantis and three new species of Phrynopus are described from Peru. Two of the new species of Pristimantis are assigned to the orestes species Group, one to the conspicillatus Group, and one to the unistrigatus Group. Three of the new species of Pristimantis were obtained from the Cordillera de Vilcabamba in southern Peru, which is known for high biological diversity and endemism. One of the new species from the Vilcabamba region belongs to the orestes species Group and is separated by approximately 600 km (straightline) from proximate known species of the group (Pristimantis cordovae) in northern …
Canadian Supplemental Information (Csi) Document (To Accompany Entry Level Nutrition Text), Leonard Piché, Alicia Garcia
Canadian Supplemental Information (Csi) Document (To Accompany Entry Level Nutrition Text), Leonard Piché, Alicia Garcia
Leonard Piché
No abstract provided.
Descriptions Of The Tadpoles Of Two Neotropical Microhylid Frogs, Melanophryne Carpish And Nelsonophryne Aequatorialis (Anura: Microhylidae), Edgar Lehr, Linda Trueb, Pablo Venegas, Ernesto Arbelaez
Descriptions Of The Tadpoles Of Two Neotropical Microhylid Frogs, Melanophryne Carpish And Nelsonophryne Aequatorialis (Anura: Microhylidae), Edgar Lehr, Linda Trueb, Pablo Venegas, Ernesto Arbelaez
Edgar Lehr
The tadpole of Melanophryne carpish is described based on two specimens found in an arboreal, water-filled bromeliad in humid montane forest at 2,870 m in the eastern Andes of northern Peru (Departamento de San Martı´n). It differs from all known New World microhylid tadpoles in having unpigmented, keratinized, jaw sheaths. The lower labium is expanded and platelike. The body is depressed with eyes located dorsally, and the spiracle is ventral. The presence of jaw sheaths suggests that the larvae might feed while undergoing development in aerial plants. The tadpole of Nelsonophryne aequatorialis is described based on a series of 17 …
Two New Species Of Eleutherodactylus (Anura: Leptodactylidae) From The Cordillera Occidental In Peru, Edgar Lehr, William Duellman
Two New Species Of Eleutherodactylus (Anura: Leptodactylidae) From The Cordillera Occidental In Peru, Edgar Lehr, William Duellman
Edgar Lehr
Two new species of Eleutherodactylus are described from the Cordillera Occidental in northern Peruvian departments of Ancash and La Libertad. The new species from La Libertad is assigned to the Eleutherodactylus orestes Group and inhabits puna at elevations of 3400–4010 m. The Eleutherodactylus orestes Group is redefined. The second new species is assigned to the Eleutherodactylus conspicillatus Group; it represents the southernmost species of Eleutherodactylus in the Cordillera Occidental of the Andes.
Cranial Ontogeny In Philautus Silus (Anura: Ranidae: Rhacophorinae) Reveals Few Similarities With Other Direct-Developing Anurans, Ryan Kerney, Madhava Meegaskumbura, Kelum Manamendra-Arachchi, James Hanken
Cranial Ontogeny In Philautus Silus (Anura: Ranidae: Rhacophorinae) Reveals Few Similarities With Other Direct-Developing Anurans, Ryan Kerney, Madhava Meegaskumbura, Kelum Manamendra-Arachchi, James Hanken
Ryan Kerney
Direct development has evolved in rhaco- phorine frogs independently from other anuran lineages, thereby offering an opportunity to assess features associ- ated with this derived life history. Using a developmen- tal series of the direct-developing Philautus silus (Ranidae: Rhacophorinae) from Sri Lanka, we examine features of cranial morphology that are part of a suite of adaptations that facilitate feeding in free-living tadpoles, but have been changed or lost in other direct-developing lineages. Larval-specific upper jaw cartilages, which are absent from many non-rhacophorine direct-developing species (such as Eleutherodactylus coqui), develop in embryos of P. silus. Similarly, lower jaw cartilages ini- tially …
Seed Rain During Initial Colonization Of Abandoned Pastures In The Premontane Wet Forest Zone Of Southern Costa Rica, Jerald Dosch, Cj Peterson, Bl Haines
Seed Rain During Initial Colonization Of Abandoned Pastures In The Premontane Wet Forest Zone Of Southern Costa Rica, Jerald Dosch, Cj Peterson, Bl Haines
Jerald Dosch, PhD
No abstract provided.
Big Coal: The Dirty Secret Behind America's Energy Future, Tammy Horn
Big Coal: The Dirty Secret Behind America's Energy Future, Tammy Horn
Tammy Horn
Book review of Big Coal: The Dirty Secret Behind America's Energy Future