Louise V. Michaelson
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View article: Concerted transport and phosphorylation of diacylglycerol at ER–PM contact sites regulate phospholipid dynamics during stress
Concerted transport and phosphorylation of diacylglycerol at ER–PM contact sites regulate phospholipid dynamics during stress Open
A universal response of plants to environmental stresses is the activation of plasma membrane (PM) phospholipase C, which hydrolyzes phosphoinositides to produce soluble inositol phosphate and diacylglycerol (DAG). Because of their conical…
View article: Born of frustration: the emergence of <i>Camelina sativa</i> as a platform for lipid biotechnology
Born of frustration: the emergence of <i>Camelina sativa</i> as a platform for lipid biotechnology Open
The emerging crop Camelina sativa (L.) Crantz (camelina) is a Brassicaceae oilseed with a rapidly growing reputation for the deployment of advanced lipid biotechnology and metabolic engineering. Camelina is recognized by agronomists for it…
View article: Concerted Transport and Phosphorylation of Diacylglycerol at ER-PM Contacts Sites Regulates Phospholipid Dynamics During Stress
Concerted Transport and Phosphorylation of Diacylglycerol at ER-PM Contacts Sites Regulates Phospholipid Dynamics During Stress Open
A universal response of plants to environmental stresses is the activation of plasma membrane (PM) phospholipase C (PLC) that hydrolyzes phosphatidylinositol phosphate (PIP) to produce soluble inositol phosphate (IP) and diacylglycerol (DA…
View article: Lipidomic Analysis of Plasma from Healthy Men and Women Shows Phospholipid Class and Molecular Species Differences between Sexes
Lipidomic Analysis of Plasma from Healthy Men and Women Shows Phospholipid Class and Molecular Species Differences between Sexes Open
The phospholipid composition of lipoproteins is determined by the specificity of hepatic phospholipid biosynthesis. Plasma phospholipid 20:4n‐6 and 22:6n‐3 concentrations are higher in women than in men. We used this sex difference in a li…
View article: Odorant binding proteins promote flight activity in the migratory insect, <i>Helicoverpa armigera</i>
Odorant binding proteins promote flight activity in the migratory insect, <i>Helicoverpa armigera</i> Open
Migratory insects are capable of actively sustaining powered flight for several hours. This extraordinary phenomenon requires a highly efficient transport system to cope with the energetic demands placed on the flight muscles. Here, we pro…
View article: Phytochrome-Dependent Temperature Perception Modulates Isoprenoid Metabolism
Phytochrome-Dependent Temperature Perception Modulates Isoprenoid Metabolism Open
Changes in environmental temperature influence many aspects of plant metabolism; however, the underlying regulatory mechanisms remain poorly understood. In addition to their role in light perception, phytochromes (PHYs) have been recently …
View article: High level accumulation of EPA and DHA in field‐grown transgenic Camelina – a multi‐territory evaluation of TAG accumulation and heterogeneity
High level accumulation of EPA and DHA in field‐grown transgenic Camelina – a multi‐territory evaluation of TAG accumulation and heterogeneity Open
The transgene‐directed accumulation of non‐native omega‐3 long chain polyunsaturated fatty acids in the seed oil of Camelina sativa (Camelina) was evaluated in the field, in distinct geographical and regulatory locations. A construct, DHA2…
View article: Arabidopsis cytosolic acyl‐CoA‐binding proteins function in determining seed oil composition
Arabidopsis cytosolic acyl‐CoA‐binding proteins function in determining seed oil composition Open
As plant seed oils provide animals with essential fatty acids (FAs), genes that regulate plant lipid metabolism have been used in genetic manipulation to improve dietary seed oil composition and benefit human health. Herein, the Arabidopsi…
View article: Engineering the stereoisomeric structure of seed oil to mimic human milk fat
Engineering the stereoisomeric structure of seed oil to mimic human milk fat Open
Significance In human milk fat, saturated fatty acids are esterified to the middle position on the glycerol backbone giving the triacylglycerol molecules an unusual stereochemistry that assists nutrient absorption in the infant gut. Howeve…
View article: The overexpression of rice <scp>ACYL</scp>‐<scp>CoA</scp>‐<scp>BINDING PROTEIN</scp>2 increases grain size and bran oil content in transgenic rice
The overexpression of rice <span>ACYL</span>‐<span>CoA</span>‐<span>BINDING PROTEIN</span>2 increases grain size and bran oil content in transgenic rice Open
Summary As Oryza sativa (rice) seeds represent food for over three billion people worldwide, the identification of genes that enhance grain size and composition is much desired. Past reports have indicated that Arabidopsis thaliana acyl‐Co…
View article: Sphingolipids: towards an integrated view of metabolism during the plant stress response
Sphingolipids: towards an integrated view of metabolism during the plant stress response Open
Summary Plants exist in an environment of changing abiotic and biotic stresses. They have developed a complex set of strategies to respond to these stresses and over recent years it has become clear that sphingolipids are a key player in t…
View article: Impact of heat processing on the nutritional content of <i>Gryllus bimaculatus</i> (black cricket)
Impact of heat processing on the nutritional content of <i>Gryllus bimaculatus</i> (black cricket) Open
Insects are increasingly suggested as a potential novel solution to global nutrition challenges. However, limited research is available on the impact of processing methods on the nutritional content of edible insects. This trial examines t…
View article: The effect of an initial high-quality feeding regime on the survival of Gryllus bimaculatus (black cricket) on bio-waste
The effect of an initial high-quality feeding regime on the survival of Gryllus bimaculatus (black cricket) on bio-waste Open
Previous studies have led to claims that insects can offer a solution to several food security hurdles, one of which is the processing of food waste. However, although it has been demonstrated that some insects survive well on bio-waste (e…
View article: Response of cell-wall composition and RNA-seq transcriptome to methyl-jasmonate in Brachypodium distachyon callus
Response of cell-wall composition and RNA-seq transcriptome to methyl-jasmonate in Brachypodium distachyon callus Open
Methyl-jasmonate induces large increases in p-coumarate linked to arabinoxylan in Brachypodium and in abundance of GT61 and BAHD family transcripts consistent with a role in synthesis of this linkage. Jasmonic acid (JA) signalling is requi…
View article: Suppression of a single <scp>BAHD</scp> gene in <i>Setaria viridis</i> causes large, stable decreases in cell wall feruloylation and increases biomass digestibility
Suppression of a single <span>BAHD</span> gene in <i>Setaria viridis</i> causes large, stable decreases in cell wall feruloylation and increases biomass digestibility Open
Summary Feruloylation of arabinoxylan ( AX ) in grass cell walls is a key determinant of recalcitrance to enzyme attack, making it a target for improvement of grass crops, and of interest in grass evolution. Definitive evidence on the gene…
View article: Lipid remodelling: Unravelling the response to cold stress in Arabidopsis and its extremophile relative Eutrema salsugineum
Lipid remodelling: Unravelling the response to cold stress in Arabidopsis and its extremophile relative Eutrema salsugineum Open
Environmental constraints limit the geographic distribution of many economically important crops. Cold stress is an important abiotic stress that affects plant growth and development, resulting in loss of vigour and surface lesions. These …
View article: Plant sphingolipids: Their importance in cellular organization and adaption
Plant sphingolipids: Their importance in cellular organization and adaption Open
Sphingolipids and their phosphorylated derivatives are ubiquitous bio-active components of cells. They are structural elements in the lipid bilayer and contribute to the dynamic nature of the membrane. They have been implicated in many cel…