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Articles 361 - 390 of 2421

Full-Text Articles in Life Sciences

Proteome Database, Mariana Rius, Jackie L. Collier, Joshua Rest Jan 2022

Proteome Database, Mariana Rius, Jackie L. Collier, Joshua Rest

SoMAS Research Data

No abstract provided.

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Geospatial Data Trees 1981, Grace K. Attea, Ryan W. Mcewan, John L. Vankat Jan 2022

Geospatial Data Trees 1981, Grace K. Attea, Ryan W. Mcewan, John L. Vankat

Data Files for Old-Growth Deciduous Forest Dynamics Archive: Hueston Woods

Location and demographic data collected for each individual tree in 1981 in Hueston Woods State Nature Preserve. These maps were digitized from the historical field maps to a GIS shapefile for each sampling year. Geographic Coordinate System: GCS_North_American_1983. Projected Coordinate System: NAD_1983_StatePlane_Ohio_South_FIPS_3402 (meters).

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Dr. Laurie L. Consaul Herbarium (Uwo), Lauren H. Rego Jan 2022

Dr. Laurie L. Consaul Herbarium (Uwo), Lauren H. Rego

Community Engaged Learning Final Projects

Along with the provided databased species, students scanned 257 specimens within the physical herbarium at Wester.

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Dataset For: Mapping Fire History And Quantifying Burned Area Through 35 Years Of Prescribed Fire History At An Illinois Tallgrass Prairie Restoration Site Using Gis, Erin G. Rowland-Schaefer, Elizabeth M. Bach, Bill P. Kleiman, Holly P. Jones Jan 2022

Dataset For: Mapping Fire History And Quantifying Burned Area Through 35 Years Of Prescribed Fire History At An Illinois Tallgrass Prairie Restoration Site Using Gis, Erin G. Rowland-Schaefer, Elizabeth M. Bach, Bill P. Kleiman, Holly P. Jones

Research Datasets

Fire was important to pre-colonization prairies. In today’s remnant and reconstructed prairies, managers frequently employ prescribed fire, a historical management practice that limits woody encroachment, suppresses non-native species, and promotes nutrient cycling. However, few long-term prescribed fire spatial datasets are available for study. We used archived images of prescribed fire maps and hand-drawn fire records to generate a geospatial record of the prescribed fire history at Nachusa Grasslands, a combination remnant and restored preserve in northern Illinois. This record contains maps of the prescribed fire history of the preserve across the entirety of its 35-year history. We used the maps …

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Small Interfering Rna (Sirna)-Based Therapy, Inderbir S. Padda, Arun U. Mahtani, Mayur S. Parmar Jan 2022

Small Interfering Rna (Sirna)-Based Therapy, Inderbir S. Padda, Arun U. Mahtani, Mayur S. Parmar

HPD Articles

No abstract provided.

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Sodium-Glucose Transport Protein 2 (Sglt2) Inhibitors, Inderbir S. Padda, Arun U. Mahtani, Mayur S. Parmar Jan 2022

Sodium-Glucose Transport Protein 2 (Sglt2) Inhibitors, Inderbir S. Padda, Arun U. Mahtani, Mayur S. Parmar

HPD Articles

No abstract provided.

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Umass Boston Bike Share Survey Instrument And Dataset, Philip Troped Jan 2022

Umass Boston Bike Share Survey Instrument And Dataset, Philip Troped

Exercise and Health Sciences Faculty Publication Series

This site contains the survey instrument and survey data that were collected in the fall of 2014 from students, faculty, and staff at the University of Massachusetts Boston. These data were used for a manuscript to be published in PLOS ONE in 2022. The publication is entitled, “Correlates of bike share use and its association with weight status at an urban university” and the authors are Lawrence H. Stahley, Sarah M. Camhi, Julie A. Wright, and Philip J. Troped.

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Survival Rate, Blood Feeding Habits And Sibling Species Composition Of Aedes Simpsoni Complex: Implications For Arbovirus Transmission Risk In East Africa, Winnie W. Kamau, Rosemary Sang, Edwin O. Ogola, Gilbert Rotich, Caroline Getugi, Sheila B. Agha, Nelson Menza, Baldwyn Torto, David P. Tchouassi Jan 2022

Survival Rate, Blood Feeding Habits And Sibling Species Composition Of Aedes Simpsoni Complex: Implications For Arbovirus Transmission Risk In East Africa, Winnie W. Kamau, Rosemary Sang, Edwin O. Ogola, Gilbert Rotich, Caroline Getugi, Sheila B. Agha, Nelson Menza, Baldwyn Torto, David P. Tchouassi

All Peer-Reviewed Publications

Aedes simpsoni complex has a wide distribution in Africa and comprises at least three described sub-species including the yellow fever virus (YFV) vector Ae. bromeliae. To date, the distribution and relative contributions of the sub-species and/or subpopulations including bionomic characteristics in relation to YF transmission dynamics remain poorly studied. In this study conducted in two areas with divergent ecosystems: peri-urban (coastal Rabai) and rural (Rift Valley Kerio Valley) in Kenya, survival rate was estimated by parity in Ae. simpsoni s.l. mosquitoes sampled using CO2-baited BG Sentinel traps. We then applied PCR targeting the nuclear internal transcribed spacer 2 (ITS2), region …

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The Combat Project: Controlling And Progressively Minimizing The Burden Of Vector-Borne Animal Trypanosomosis In Africa, Alain Boulangé, Veerle Lejon, David Berthier, Sophie Thévenon, Geoffrey Gimonneau, Marc Desquesnes, Samuel Abah, Prudenciène Agboho, Kalinga Chilongo, Tsegaye Gebre, Assane Gueye Fall, Dramane Kaba, Stefan Magez, Daniel Masiga, Enock Matovu, Aldjibert Moukhtar, Luis Neves, Pamela A. Olet, Soumaïla Pagabeleguem, William Shereni, Brice Sorli, Moeti O. Taioe, María Teresa Tejedor Junco, Rehab Yagi, Philippe Solano, Giuliano Cecchi Jan 2022

The Combat Project: Controlling And Progressively Minimizing The Burden Of Vector-Borne Animal Trypanosomosis In Africa, Alain Boulangé, Veerle Lejon, David Berthier, Sophie Thévenon, Geoffrey Gimonneau, Marc Desquesnes, Samuel Abah, Prudenciène Agboho, Kalinga Chilongo, Tsegaye Gebre, Assane Gueye Fall, Dramane Kaba, Stefan Magez, Daniel Masiga, Enock Matovu, Aldjibert Moukhtar, Luis Neves, Pamela A. Olet, Soumaïla Pagabeleguem, William Shereni, Brice Sorli, Moeti O. Taioe, María Teresa Tejedor Junco, Rehab Yagi, Philippe Solano, Giuliano Cecchi

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Vector-borne diseases affecting livestock have serious impacts in Africa. Trypanosomosis is caused by parasites transmitted by tsetse flies and other blood-sucking Diptera. The animal form of the disease is a scourge for African livestock keepers, is already present in Latin America and Asia, and has the potential to spread further. A human form of the disease also exists, known as human African trypanosomosis or sleeping sickness. Controlling and progressively minimizing the burden of animal trypanosomosis (COMBAT) is a four-year research and innovation project funded by the European Commission, whose ultimate goal is to reduce the burden of animal trypanosomosis (AT) …

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The Potential Economic Benefits Of Insect-Based Feed In Uganda, Zewdu Abro, Ibrahim Macharia, Kelvin Mulungu, Sevgan Subramanian, Chrysantus Mbi Tanga, Menale Kassie Jan 2022

The Potential Economic Benefits Of Insect-Based Feed In Uganda, Zewdu Abro, Ibrahim Macharia, Kelvin Mulungu, Sevgan Subramanian, Chrysantus Mbi Tanga, Menale Kassie

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Black soldier fly farming is gaining traction globally as a strategy for recycling organic waste into high-quality proteins and fat for feed and organic fertilizer for crop production. The support of governments in East Africa to integrate insect meal in livestock feed has opened opportunities for commercializing insect products. Understanding the potential value of Black soldier fly larvae meal (BSFLM) is paramount to inform policies and practices to promote insect farming and insect-based feed for livestock production. This paper uses the economic surplus method to generate evidence on the potential socioeconomic impact of replacing conventional soybean and fish meal protein …

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Revision Of The Endemic African Genus Dinapsis (Dinapsini, Megalyridae, Hymenoptera) With Description Of Seven New Species, Simon Van Noort, Scott Richard Shaw, Robert S. Copeland Jan 2022

Revision Of The Endemic African Genus Dinapsis (Dinapsini, Megalyridae, Hymenoptera) With Description Of Seven New Species, Simon Van Noort, Scott Richard Shaw, Robert S. Copeland

All Peer-Reviewed Publications

The endemic Afrotropical genus Dinapsis is revised, and seven new species are described and illustrated: D. bicolor van Noort & Shaw, sp. nov., D. gamka van Noort & Shaw, sp. nov., D. igneus van Noort & Shaw, sp. nov., D. spinitibia van Noort & Shaw, sp. nov., D. taita van Noort & Shaw, sp. nov., D. tricolor Shaw & van Noort, sp. nov., D. zulu Shaw & van Noort, sp. nov. The distribution of the Central African Republican species D. centralis Shaw & van Noort, 2009 is extended to include Cameroon, Kenya and Uganda. Dinapsis turneri Waterston, 1922, previously only …

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Laurentian Great Lakes Warming Threatens Northern Fruit Belt Refugia, Robert Warren Jan 2022

Laurentian Great Lakes Warming Threatens Northern Fruit Belt Refugia, Robert Warren

Biology Faculty Datasets

Climate refugia are anomalous ‘pockets’ of spatially or temporally disjunct environmental conditions that buffer distinct flora and fauna against prevailing climatic conditions. Physiographic landscape features, such as large water bodies, can create these micro-to-macro-scale terrestrial habitats, such as the prevailing westerly winds across the Laurentian Great Lakes that create relatively cooler leeward conditions in spring and relatively warmer leeward conditions in autumn. The leeward Great Lakes climate effects create a refugia (popularly known as a ‘fruit belt’) favorable for fruit-bearing trees and shrubs. This fruit belt refugia owes its existence to seasonal inversions whereby spring cooling prevents early flower budding …

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Callery Pear Removal Experiment: Trees-Intact (Medlar Conservation Area), Margaret E. Maloney, Eric B. Borth, Grace Dietsch, Mary C. Lloyd, Ryan W. Mcewan Jan 2022

Callery Pear Removal Experiment: Trees-Intact (Medlar Conservation Area), Margaret E. Maloney, Eric B. Borth, Grace Dietsch, Mary C. Lloyd, Ryan W. Mcewan

Five Rivers MetroParks Collaboration Data Archive

The invasive tree Callery pear (Pyrus calleryana) is problematic in open habitats in the American Midwest. We investigated the efficacy of various control techniques on P. calleryana invasion in grasslands. Treatments were applied to P. calleryana stems that were single-stemmed trees (around 7 years; n = 40 stems), and response of those stems was measured.

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Callery Pear Removal Experiment: Trees-Sprouting (Stillwater Conservation Area), Margaret E. Maloney, Eric B. Borth, Grace Dietsch, Mary C. Lloyd, Ryan W. Mcewan Jan 2022

Callery Pear Removal Experiment: Trees-Sprouting (Stillwater Conservation Area), Margaret E. Maloney, Eric B. Borth, Grace Dietsch, Mary C. Lloyd, Ryan W. Mcewan

Five Rivers MetroParks Collaboration Data Archive

The invasive tree Callery pear (Pyrus calleryana) is problematic in open habitats in the American Midwest. We investigated the efficacy of various control techniques on P. calleryana invasion in grasslands. Treatments were applied to P. calleryana stems that had experienced mowing annually for several years and were sprouting (n = 100 stems) and response of those stems was measured.

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Geospatial Data Permanent Plot, Grace K. Attea, Ryan W. Mcewan, John L. Vankat Jan 2022

Geospatial Data Permanent Plot, Grace K. Attea, Ryan W. Mcewan, John L. Vankat

Data Files for Old-Growth Deciduous Forest Dynamics Archive: Hueston Woods

Permanent plot GIS shapefile that measures 100m x 105m and consists of 420 contiguous 5m x 5m subplots. There are 21 transects that run from south to north and 20 subplots per transect that run east to west. This downloadable data is a zipped file containing 8 shapefile building blocks. Geographic Coordinate System: GCS_North_American_1983. Projected Coordinate System: NAD_1983_StatePlane_Ohio_South_FIPS_3402 (meters).

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Geospatial Data Trees 1994, Grace K. Attea, Ryan W. Mcewan, John L. Vankat Jan 2022

Geospatial Data Trees 1994, Grace K. Attea, Ryan W. Mcewan, John L. Vankat

Data Files for Old-Growth Deciduous Forest Dynamics Archive: Hueston Woods

Location and demographic data collected for each individual tree in 1994 in Hueston Woods State Nature Preserve. These maps were digitized from the historical field maps to a GIS shapefile for each sampling year. Geographic Coordinate System: GCS_North_American_1983. Projected Coordinate System: NAD_1983_StatePlane_Ohio_South_FIPS_3402 (meters).

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Geospatial Data Trees 2000, Grace K. Attea, Ryan W. Mcewan, John L. Vankat Jan 2022

Geospatial Data Trees 2000, Grace K. Attea, Ryan W. Mcewan, John L. Vankat

Data Files for Old-Growth Deciduous Forest Dynamics Archive: Hueston Woods

Location and demographic data collected for each individual tree in 2000 in Hueston Woods State Nature Preserve. These maps were digitized from the historical field maps to a GIS shapefile for each sampling year. Geographic Coordinate System: GCS_North_American_1983. Projected Coordinate System: NAD_1983_StatePlane_Ohio_South_FIPS_3402 (meters).

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Geospatial Data Trees 2022, Grace K. Attea, Ryan W. Mcewan, John L. Vankat Jan 2022

Geospatial Data Trees 2022, Grace K. Attea, Ryan W. Mcewan, John L. Vankat

Data Files for Old-Growth Deciduous Forest Dynamics Archive: Hueston Woods

Location and demographic data collected for each individual tree in 2022 in Hueston Woods State Nature Preserve. These maps were digitized to a GIS shapefile for each sampling year. Geographic Coordinate System: GCS_North_American_1983. Projected Coordinate System: NAD_1983_StatePlane_Ohio_South_FIPS_3402 (meters).

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Geospatial Data Trees 1988, Grace K. Attea, Ryan W. Mcewan, John L. Vankat Jan 2022

Geospatial Data Trees 1988, Grace K. Attea, Ryan W. Mcewan, John L. Vankat

Data Files for Old-Growth Deciduous Forest Dynamics Archive: Hueston Woods

Location and demographic data collected for each individual tree in 1988 in Hueston Woods State Nature Preserve. These maps were digitized from the historical field maps to a GIS shapefile for each sampling year. Geographic Coordinate System: GCS_North_American_1983. Projected Coordinate System: NAD_1983_StatePlane_Ohio_South_FIPS_3402 (meters).

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Sheepshead (Archosargus Probatocephalus) Neurocranium, Andrew J. Hartmann, Steven Peterson, David W. Kerstetter Jan 2022

Sheepshead (Archosargus Probatocephalus) Neurocranium, Andrew J. Hartmann, Steven Peterson, David W. Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium from Sheepshead (Archosargus probatocephalus)

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Movement Probabilities Of Bigheaded Carps (Hypophthalmichthys Spp.) In The Illinois River Estimated From Markov Chain Monte Carlo Methods, A. A. Coulter, M. K. Brey, M. Lubjeko, J. L. Kalis, D. Coulter, D. C. Glover, G. W. Whitledge, J. E. Garvey Jan 2022

Movement Probabilities Of Bigheaded Carps (Hypophthalmichthys Spp.) In The Illinois River Estimated From Markov Chain Monte Carlo Methods, A. A. Coulter, M. K. Brey, M. Lubjeko, J. L. Kalis, D. Coulter, D. C. Glover, G. W. Whitledge, J. E. Garvey

NRM Departmental Data Sets

Previously published work used program MARK to estimate parameters for multistate models for Bighead Carp (Hypophthalmichthys nobilis) and Silver Carp (H. molitrix) (Coulter et al. 2018) movements in the Illinois River. Multistate models estimate transition probability (psi), survival probability (S), and detection probability (p) and models with those parameters varying by state and time (state*time), just state (state), just time (time), and neither (.) were evaluated for each species (Coulter et al. 2018). Using the format of the top model for each species identified in Coulter et al. (2018), Markov Chain Monte Carlo (MCMC) methods were …

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Ifn-Γ Increases The Expression Of Sars-Cov-2 Receptors On Vero E6 Cells, Bindu Madhavi Madabattula Jan 2022

Ifn-Γ Increases The Expression Of Sars-Cov-2 Receptors On Vero E6 Cells, Bindu Madhavi Madabattula

Browse all Theses and Dissertations

Respiratory epithelial cells are the initial target for SARS-CoV-2 infection. IFN-γ is known to increase the expression of ACE-2, an initial receptor for SARS-CoV-2, on epithelial cells. This study focuses on examining the effect of IFN-γ for ACE-2, TMPRSS2, and neuropilin-1 on Vero E6 cells using two immunofluorescence methods, namely, direct (membrane) fluorescence method and Cytation5 method. Direct fluorescence was determined using an Accu-Scope and ImageJ analysis. Using this method, significance (p<0.023) was observed only for ACE-2 when Vero E6 cells were treated with IFN-γ. Cytation5 fluorescence was determined using a Bio-tek Cytation5 plate reader. The results showed that IFN-γ significantly increased (p<0.001) the expression of ACE-2, neuropilin-1, and TMPRSS2. These results indicate Cytation5 is a more sensitive method for determining the expression of receptors on Vero E6 cells. The elevated levels of SARS-CoV-2 receptors expression resulting from IFN-γ treatment makes the epithelial cells more susceptible targets of SARS-CoV-2 infection. IFN-γ is most likely provided by innate immune cells in the initial COVID-19 infection, consequently contributing to the severity of disease.

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Managing Agricultural Nitrogen Losses In Crop Production And Mitigation Of Climate Change Effects, Winnie Ntinyari, Mekonnen Giweta, James Mutegi, Cargele Masso, Joseph P. Gweyi-Onyango Jan 2022

Managing Agricultural Nitrogen Losses In Crop Production And Mitigation Of Climate Change Effects, Winnie Ntinyari, Mekonnen Giweta, James Mutegi, Cargele Masso, Joseph P. Gweyi-Onyango

All Peer-Reviewed Publications

Nitrogen (N) losses from cropping systems negatively affect soil quality/fertility, crop yield, and the environment through its contribution to climate change and water pollution. İt possesses oil-water-atmospheric system challenges to both the too much and the too little N application countries. Soil and climatic factors are the critical drivers of N loss from agricultural systems as they influence major processes like nitrification and denitrification. Other N loss pathways include leaching, runoff, and volatilization. Nitrous oxide (N2O) and ammonia (NH3) gases are the two pollutants resulting from N fertilizers in crop production and represent N loss’ significant pathway. Nitrous oxide is …

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Safety, Regulatory And Environmental Issues Related To Breeding And International Trade Of Edible Insects In Africa, S. Niassy, E. R. Omuse, N. Roos, A. Halloran, J. Eilenberg, J. P. Egonyu, C. Tanga, F. Meutchieye, R. Mwangi, S. Subramanian, R. Musundire, P. O.Y. Nkunika, J. P. Anankware, J. Kinyuru, A. Yusuf, S. Ekesi Jan 2022

Safety, Regulatory And Environmental Issues Related To Breeding And International Trade Of Edible Insects In Africa, S. Niassy, E. R. Omuse, N. Roos, A. Halloran, J. Eilenberg, J. P. Egonyu, C. Tanga, F. Meutchieye, R. Mwangi, S. Subramanian, R. Musundire, P. O.Y. Nkunika, J. P. Anankware, J. Kinyuru, A. Yusuf, S. Ekesi

All Peer-Reviewed Publications

Insect breeding or farming for food and feed is an emerging enterprise that can address the ever-growing demand for protein and curb high unemployment rates in Africa and beyond. However, for the sector to prosper, its value chain needs to be regulated to ensure sustainability and safety for consumers and the environment. Although a few African countries, such as Kenya, Uganda and Rwanda, have promulgated standards on the use of insects as food and feed, greater efforts are needed in other countries, and relevant policies governing the sector need to be formulated. All over the globe, attention to the regulation …

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Interactions Between Integrated Pest Management, Pollinator Introduction, And Landscape Context On Avocado Persea Americana Productivity, Nadia K. Toukem, Samira A. Mohamed, Abdullahi A. Yusuf, H. Michael G. Lattorff, Robert S. Copeland, Thomas Dubois Jan 2022

Interactions Between Integrated Pest Management, Pollinator Introduction, And Landscape Context On Avocado Persea Americana Productivity, Nadia K. Toukem, Samira A. Mohamed, Abdullahi A. Yusuf, H. Michael G. Lattorff, Robert S. Copeland, Thomas Dubois

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Pest management and insect pollination are important services that support crop production but are most often studied in isolation in cropping systems. Avocado Persea americana Mill. is an economically important crop in East Africa, which suffers from pest threats and potential drawbacks of the global pollinator crisis. The integration of pest and pollinator management is a growing research trend as a potential solution for sustainable crop production with minimum adverse effects on the environment and biodiversity. This study assessed potential interactions between landscape context, honeybee Apis mellifera L. introduction and integrated pest management (IPM) on avocado pests Bactrocera dorsalis (Hendel) …

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Molecular Detection Of Novel Anaplasma Sp. And Zoonotic Hemopathogens In Livestock And Their Hematophagous Biting Keds (Genus Hippobosca) From Laisamis, Northern Kenya, Daniel M. Mwaki, Kevin O. Kidambasi, Johnson Kinyua, Kenneth Ogila, Collins Kigen, Dennis Getange, Jandouwe Villinger, Daniel K. Masiga, Mark Carrington, Joel L. Bargul Jan 2022

Molecular Detection Of Novel Anaplasma Sp. And Zoonotic Hemopathogens In Livestock And Their Hematophagous Biting Keds (Genus Hippobosca) From Laisamis, Northern Kenya, Daniel M. Mwaki, Kevin O. Kidambasi, Johnson Kinyua, Kenneth Ogila, Collins Kigen, Dennis Getange, Jandouwe Villinger, Daniel K. Masiga, Mark Carrington, Joel L. Bargul

All Peer-Reviewed Publications

Background: Livestock are key sources of livelihood among pastoral communities. Livestock productivity is chiefly constrained by pests and diseases. Due to inadequate disease surveillance in northern Kenya, little is known about pathogens circulating within livestock and the role of livestock-associated biting keds (genus Hippobosca) in disease transmission. We aimed to identify the prevalence of selected hemopathogens in livestock and their associated blood-feeding keds. Methods: We randomly collected 389 blood samples from goats (245), sheep (108), and donkeys (36), as well as 235 keds from both goats and sheep (116), donkeys (11), and dogs (108) in Laisamis, Marsabit County, northern Kenya. …

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Potential Of Entomocomposting Toward Soil Pathogen Suppression, Dennis Beesigamukama, María Gómez-Brandón, Chrysantus Mbi Tanga Jan 2022

Potential Of Entomocomposting Toward Soil Pathogen Suppression, Dennis Beesigamukama, María Gómez-Brandón, Chrysantus Mbi Tanga

All Peer-Reviewed Publications

Waste accumulation and microbial pollution are key environmental challenges in most developing countries. Land filling, the commonest waste disposal method, is not sustainable due to land scarcity and point source pollution. Thus, a large fraction of organic wastes is not properly disposed, yet the conventional methods of waste recycling are less effective. The degradation of waste using insect life stages (entomocomposting) has emerged as a novel tool that is fast, affordable, and sustainable in recycling organic wastes with maximum pathogen suppression. This bioconversion process also generates an organic fertilizer with potential to enhance soil remediation and provide additional benefits on …

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Integrated Pest Management Of Tuta Absoluta: Practical Implementations Across Different World Regions, Nicolas Desneux, Peng Han, Ramzi Mansour, Judit Arnó, Thierry Brévault, Mateus R. Campos, Anais Chailleux, Raul N.C. Guedes, Javad Karimi, Kouassi Arthur J. Konan, Anne Violette Lavoir, María G. Luna, Meritxell Perez-Hedo, Alberto Urbaneja, François J. Verheggen, Lucia Zappalà, Khaled Abbes, Abid Ali, Yunus Bayram, Fernando Cantor, Andrew G.S. Cuthbertson, Raf De Vis, Fedai Erler, Dnyaneshwar M. Firake, Khalid Haddi, M. Jamal Hajjar, Khasan Ismoilov, Coline C. Jaworski Jan 2022

Integrated Pest Management Of Tuta Absoluta: Practical Implementations Across Different World Regions, Nicolas Desneux, Peng Han, Ramzi Mansour, Judit Arnó, Thierry Brévault, Mateus R. Campos, Anais Chailleux, Raul N.C. Guedes, Javad Karimi, Kouassi Arthur J. Konan, Anne Violette Lavoir, María G. Luna, Meritxell Perez-Hedo, Alberto Urbaneja, François J. Verheggen, Lucia Zappalà, Khaled Abbes, Abid Ali, Yunus Bayram, Fernando Cantor, Andrew G.S. Cuthbertson, Raf De Vis, Fedai Erler, Dnyaneshwar M. Firake, Khalid Haddi, M. Jamal Hajjar, Khasan Ismoilov, Coline C. Jaworski

All Peer-Reviewed Publications

The South American tomato pinworm, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), has invaded most Afro-Eurasian countries and is threatening worldwide tomato production. Various strategies have been developed and implemented to manage this pest. Here, we present a timely review on the up-to-date development and practical implementation of integrated pest management (IPM) programs for tomato crops across different world regions infested by T. absoluta. While insecticide resistance is a growing concern, biological control via releasing or conserving arthropod natural enemies and sex pheromone-based biotechnical control are the most successful management practices. Agronomic control-related research is an emerging area where the soil fertilization …

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Intensity Of Adoption Of Integrated Pest Management Practices In Rwanda: A Fractional Logit Approach, Vincent Gadamba Misango, Jonathan Makau Nzuma, Patrick Irungu, Menale Kassie Jan 2022

Intensity Of Adoption Of Integrated Pest Management Practices In Rwanda: A Fractional Logit Approach, Vincent Gadamba Misango, Jonathan Makau Nzuma, Patrick Irungu, Menale Kassie

All Peer-Reviewed Publications

The push-pull technology (PPT) is considered as an alternative integrated pest management strategy for the control of fall armyworm and stemborer, among smallholder maize farmers in sub-Sahara African to conventional pesticides. However, the extent of PPT use in Rwanda where the technology was introduced in 2017 remains largely unexplored. This paper employed a fractional logit model to assess the factors influencing the intensity of adoption of PPT among smallholder maize farmers in Gatsibo and Nyagatare districts of Rwanda using survey data obtained from 194 PPT adopter households selected using a cluster sampling technique. While only 5 percent of smallholder farmers …

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Spontaneous Parthenogenesis In The Parasitoid Wasp Cotesia Typhae: Low Frequency Anomaly Or Evolving Process?, Claire Capdevielle Dulac, Romain Benoist, Sarah Paquet, Paul André Calatayud, Julius Obonyo, Laure Kaiser, Florence Mougel Jan 2022

Spontaneous Parthenogenesis In The Parasitoid Wasp Cotesia Typhae: Low Frequency Anomaly Or Evolving Process?, Claire Capdevielle Dulac, Romain Benoist, Sarah Paquet, Paul André Calatayud, Julius Obonyo, Laure Kaiser, Florence Mougel

All Peer-Reviewed Publications

Hymenopterans are haplodiploids and unlike most other Arthropods they do not pos-sess sexual chromosomes. Sex determination typically happens via the ploidy of individ-uals: haploids become males and diploids become females. Arrhenotoky is believed to be the ancestral reproduction mode in Hymenopterans, with haploid males produced parthenogenetically, and diploid females produced sexually. However, a number of transitions towards thelytoky (diploid females produced parthenogenetically) have appeared in Hymenopterans, and in most cases populations or species are either totally arrhenotok-ous or totally thelytokous. Here we present the case of Cotesia typhae (Fernandez-Triana), a Braconidae that produces parthenogenetic females at a low frequency. The …

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