- Plant Pathogens and Resistance
- Neuroscience and Neuropharmacology Research
- Insect and Arachnid Ecology and Behavior
- Plant-Microbe Interactions and Immunity
- Plant and animal studies
- Insect-Plant Interactions and Control
- Computational Fluid Dynamics and Aerodynamics
- Plant Parasitism and Resistance
- Hepatitis B Virus Studies
- Epilepsy research and treatment
- Insect symbiosis and bacterial influences
- Plant Molecular Biology Research
- Gas Dynamics and Kinetic Theory
- Insect behavior and control techniques
- Genetics, Aging, and Longevity in Model Organisms
- Legume Nitrogen Fixing Symbiosis
- Animal Behavior and Reproduction
- Medical Device Sterilization and Disinfection
- Insect and Pesticide Research
- Plant pathogens and resistance mechanisms
- Turbomachinery Performance and Optimization
- Plant Reproductive Biology
- Vacuum and Plasma Arcs
- Neurotransmitter Receptor Influence on Behavior
- Receptor Mechanisms and Signaling
University of East Anglia
2015-2024
Norwich Research Park
2014-2024
Stanford University
1973-2023
Sainsbury Laboratory
2015-2019
John Innes Centre
2010-2017
University of Cambridge
2011
University of Aberdeen
2009
University of Tennessee at Knoxville
2002
General Electric (United States)
1942-1984
Max Planck Institute of Psychiatry
1973
Aphids are amongst the most devastating sap-feeding insects of plants. Like plant parasites, aphids require intimate associations with their host plants to gain access nutrients. Aphid feeding induces responses such as clogging phloem sieve elements and callose formation, which suppressed by unknown molecules, probably proteins, in aphid saliva. Therefore, it is likely that aphids, like pathogens, deliver proteins (effectors) inside hosts modulate cell processes, suppress defenses, promote...
Abstract The importance of pathogen-associated molecular pattern-triggered immunity (PTI) against microbial pathogens has been recently demonstrated. However, it is currently unclear if this layer mediated by surface-localized pattern recognition receptors (PRRs) also plays a role in basal resistance to insects, such as aphids. Here, we show that PTI an important component plant innate insects. Extract the green peach aphid (GPA; Myzus persicae) triggers responses characteristic Arabidopsis...
Lamendin et al. (1) proposed a technique to estimate age at death for adults by analyzing single-rooted teeth. They expressed as function of two factors: translucency the tooth root and periodontosis (gingival regression). In their study, they analyzed 306 singled rooted teeth that were extracted autopsy from 208 individuals known death, all whom considered having French ancestry. Their sample consisted 135 males, 73 females, 198 whites, 10 blacks. The ranged in 22 90 years age. By using...
Arabidopsis thaliana accessions are universally resistant at the adult leaf stage to white rust ( Albugo candida ) races that infect crop species Brassica juncea and oleracea . We used transgressive segregation in recombinant inbred lines test if this apparent species-wide (nonhost) resistance A. is due natural pyramiding of multiple Resistance R genes. screened 593 from an multiparent advanced generation intercross (MAGIC) mapping population, derived 19 parental accessions, identified two...
The advantages and disadvantages of three forms dry heat sterilization are discussed. In addition a fourth method, consisting heating by infrared rays in vacuo, is described. This method particularly suitable for instruments used the operating theatre, since it can replace an autoclave where supply steam not available. Recommended times temperatures detailed, related to thermal death point Cl. tetani. dangers recontamination during cooling process
The oomycete pathogen Phytophthora infestans causes potato late blight, and as a tomato specialist pathogen, is seemingly poorly adapted to infect plants outside the Solanaceae. Here, we report unexpected finding that P. can Arabidopsis thaliana when another Albugo laibachii, has colonized host plant. behaviour speed of infection in pre-infected with A. laibachii resemble susceptible plants. Transcriptional profiling genes during revealed significant overlap sets secreted-protein are induced...
The principle of operation oil circuit breakers has been conceived to the present time as deionization arc stream during required for recovery voltage appear across breaker terminals. An alternative is here developed in which products are swept away by scavenging action an blast. As a logical development from this conception new type described owes its efficiency careful provision blast driven gas pressure one break and displaces space between electrodes another break.
Plants are exposed to diverse pathogens and pests, yet most plants resistant plant pathogens. Non-host resistance describes the ability of all members a species successfully prevent colonization by any given member pathogen species. White blister rust caused Albugo can overcome non-host enable secondary infection reproduction usually non-virulent pathogens, including potato late blight Phytophthora infestans on Arabidopsis thaliana. However, molecular basis host defense suppression in this...
Damage-associated molecular pattern (DAMP)-triggered immunity (DTI) serves as a crucial first line of defence against aphid attack, yet the mechanisms by which aphids suppress this response remain unclear. By investigating colonisation Arabidopsis thaliana highly polyphagous peach-potato (Myzus persicae), we identified cell wall-derived DAMPs, specifically oligogalacturonides (OGs), key in inducing DTI aphids. The OG-responsive immune components BAK1/BKK1, CPK5/CPK6, GRP3, and EDS1...
This paper reviews experience at evaluating three-dimensional shock structures for transonic/supersonic compressor rotors, including experimental results obtained by holography, laser velocimetry, and highfrequency pressure transducers. Typical wave angles are oblique to the relative flow with in range 60-65 deg maximum deflection, rather than 40-50 predicted conventional cascade analyses. Results partially explained obliquity of shocks between-blade-streamsurfaces. Procedures generating...
Abstract The standard evolutionary theory of aging predicts a negative relationship (trade-off) between fecundity and longevity. However, in principle, the fecundity–longevity can become positive populations which individuals have unequal resources. Positive relationships also occur queens eusocial insects such as ants bees. Developmental diet is likely to be central determining trade-offs it affects key fitness traits, but its exact role remains uncertain. For example, Drosophila...
The designs of European air-blast circuit breakers are not wholly satisfactory for operation in the United States as they do handle high enough currents, cannot economically be built interrupting capacities, and conform to installation arrangements. Accordingly, a new type air cross-blast breaker has been developed which does above requirements. commercial design this is discussed companion paper ``Design Construction High-Capacity Air-Blast Circuit Breakers'' by Messrs. H. E. Strang A. C....
The queen-worker caste system of eusocial insects represents a prime example developmental polyphenism (environmentally-induced phenotypic polymorphism) and is intrinsic to the evolution advanced eusociality. However, comparative molecular basis larval determination subsequent differentiation in Hymenoptera remains poorly known. To address this issue within bees, we profiled caste-associated gene expression female larvae intermediately bumblebee Bombus terrestris. In B. terrestris,...
RECENT studies have demonstrated that small cryogenic lesions made in cortex of rabbit, cat, or monkey 1-3 will produce epileptogenic foci. The discharge does not remain restricted to the primary site but is transmitted area homotopic freeze, and an independent epileptic (mirror) focus may develop a region which has been disturbed during original experimental procedure. 3 In present study we wished determine whether subcortical nuclei varying cellular architectonics would foci activity...
Abstract Chemosensory proteins (CSPs) are small globular with hydrophobic binding pockets that have a role in detection of chemicals, regulation development and growth host seeking behaviour feeding arthropods. Here, we show CSP has evolved to modulate plant immune responses. Firstly, found the green peach aphid Myzus persicae Mp10, which is delivered into cytoplasm cells, suppresses reactive oxygen species (ROS) bursts both bacterial elicitors Arabidopsis thaliana Nicotiana benthamiana ....
Lack of voltage control is one the objections which have been made to use rectifiers. The author describes a method for rectifiers based on saturated core interphase transformer. Saturation this device produces gradual change from two three-phase operating in parallel six-phase rectifier has higher inherent ratio. theory operation discussed and supporting oscillograms observed regulation curves are shown.
Abstract Background The standard evolutionary theory of ageing proposes that occurs because a trade-off between reproduction and longevity. Eusocial insect queens exhibit positive fecundity-longevity associations so have been suggested to be counter-examples through not expressing costs remodelling conserved genetic endocrine networks regulating reproduction. If so, eusocial evolution from solitary ancestors with negative must involved stage at which were suppressed fecundity longevity...