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Articles 1 - 6 of 6
Full-Text Articles in Life Sciences
Rhizosphere Microbial Communities Of Spartina Alternifloa And Juncus Roemerianus From Restored And Natural Tidal Marshes On Deer Island, Mississippi, Olga Mavrodi, Carina M. Jung, Jed O. Eberly, Samuel Hendry, Sanchirmaa Namijilsuren, Patrick D. Biber, Karl J. Indest, Dmitri V. Mavrodi
Rhizosphere Microbial Communities Of Spartina Alternifloa And Juncus Roemerianus From Restored And Natural Tidal Marshes On Deer Island, Mississippi, Olga Mavrodi, Carina M. Jung, Jed O. Eberly, Samuel Hendry, Sanchirmaa Namijilsuren, Patrick D. Biber, Karl J. Indest, Dmitri V. Mavrodi
Faculty Publications
The U. S. Gulf of Mexico is experiencing a dramatic increase in tidal marsh restoration actions, which involves planting coastal areas with smooth cordgrass (Spartina alterniflora) and black needlerush (Juncus roemerianus) for erosion control and to provide habitat for fish and wildlife. It can take decades for sedimentary cycles in restored marshes to approach reference conditions, and the contribution of the sediment microbial communities to these processes is poorly elucidated. In this study, we addressed this gap by comparing rhizosphere microbiomes of S. alterniflora and J. roemerianus from two restored marshes and a natural reference marsh located at Deer Island, …
The Effect Of Light Conditions On Interpreting Oil Composition Engineering In Arabidopsis Seeds, Nischal Karki, Philip D. Bates
The Effect Of Light Conditions On Interpreting Oil Composition Engineering In Arabidopsis Seeds, Nischal Karki, Philip D. Bates
Faculty Publications
Arabidopsis thaliana is the most developed and utilized model plant. In particular, it is an excellent model for proof‐of‐concept seed oil engineering studies because it accumulates approximately 37% seed oil by weight, and it is closely related to important Brassicaceae oilseed crops. Arabidopsis can be grown under a wide variety of conditions including continuous light; however, the amount of light is strongly correlated with total seed oil accumulation. In addition, many attempts to engineer novel seed oil fatty acid compositions in Arabidopsis have reported significant reductions in oil accumulation; however, the relative reduction from the nontransgenic controls varies greatly within …
Factors Affecting The Regrowth Of Ilex Glabra In A Routinely Burned Longleaf Forest, Jaybus Price
Factors Affecting The Regrowth Of Ilex Glabra In A Routinely Burned Longleaf Forest, Jaybus Price
Master's Theses
This study examines the effects of historical management by use of prescribed fire on Ilex glabra stems/m2 and factors affecting the regrowth of I. glabra after a prescribed burn to gain beneficial knowledge for management purposes. Environmental factors and morphological parameters of I. glabra were sampled before and after a prescribed burn of the Longleaf Trace Nature Preserve in September 2016. The study site is located in Lamar County, Mississippi, just west of Hattiesburg, MS. Stem densities of I. glabra were collected once before the prescribed burn and twice after the prescribed burn at 2 month and 9 month …
Interplay Of Dgat1, Pdat1 And Dgat2 Enzymes In Plant Triacylglycerol Assembly, Anushobha Regmi
Interplay Of Dgat1, Pdat1 And Dgat2 Enzymes In Plant Triacylglycerol Assembly, Anushobha Regmi
Master's Theses
Acyl-CoA:diacylglycerol acyltransferase (DGAT) catalyzes the transesterification of fatty acid from acyl-CoA to diacylglycerol (DAG) forming triacylglycerol (TAG, a.k.a oils and fats). Most plants have at least two unrelated DGAT genes, DGAT1 and DGAT2. Plants predominantly express only one during oil synthesis; the reason, however is not clear. A few studies have indicated that each enzyme prefers DAG and acyl-CoA substrates with different fatty acid compositions. Industrially desirable seed oil composition can be obtained through genetic engineering by replacing the endogenous enzyme with one that has different substrate selectivity. In Arabidopsis thaliana, DGAT1 and another unrelated enzyme PDAT1 are essential …
Long-Term Irrigation Affects The Dynamics And Activity Of The Wheat Rhizosphere Microbiome, Dmitri V. Mavrodi, Olga Mavrodi, Liam D.H. Elbourne, Sasha Tetu, Robert F. Bonsall, James Parejko, Mingming Yang, Ian T. Paulsen, David M. Weller, Linda S. Thomashow
Long-Term Irrigation Affects The Dynamics And Activity Of The Wheat Rhizosphere Microbiome, Dmitri V. Mavrodi, Olga Mavrodi, Liam D.H. Elbourne, Sasha Tetu, Robert F. Bonsall, James Parejko, Mingming Yang, Ian T. Paulsen, David M. Weller, Linda S. Thomashow
Faculty Publications
The Inland Pacific Northwest (IPNW) encompasses 1. 6 million cropland hectares and is a major wheat-producing area in the western United States. The climate throughout the region is semi-arid, making the availability of water a significant challenge for IPNW agriculture. Much attention has been given to uncovering the effects of water stress on the physiology of wheat and the dynamics of its soilborne diseases. In contrast, the impact of soil moisture on the establishment and activity of microbial communities in the rhizosphere of dryland wheat remains poorly understood. We addressed this gap by conducting a three-year field study involving wheat …
Leaf Herbivory Induces Resistance Against Florivores In Raphanus Sativus, Andrew C. Mccall, Samantha Case, Kelsy Espy, Grant Adams, Stephen J. Murphy
Leaf Herbivory Induces Resistance Against Florivores In Raphanus Sativus, Andrew C. Mccall, Samantha Case, Kelsy Espy, Grant Adams, Stephen J. Murphy
Student Publications
Florivory can have significant negative effects on plant fitness, driving selection for resistance traits in flowers. In particular, herbivory to leaves may induce resistance in flowers because herbivores on leaves often become florivores on flowers as plant ontogeny proceeds. The literature on inducible resistance in floral tissues is limited, so we used a series of experiments to determine whether prior leaf damage by Spodoptera exigua (Hübner) caterpillars affected florivore preference and performance on wild radish (Raphanus sativus L.). We found that Spodoptera exigua larvae preferred petals from control plants versus petals from plants exposed to prior leaf damage, and …