Angela Martin

ORCID: 0000-0001-6196-0409
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About
Contact & Profiles
Research Areas
  • Microbial Metabolic Engineering and Bioproduction
  • Photosynthetic Processes and Mechanisms
  • Bacterial Genetics and Biotechnology
  • Pregnancy and preeclampsia studies
  • Digital Mental Health Interventions
  • Ocular Disorders and Treatments
  • Patient Satisfaction in Healthcare
  • Diabetic Foot Ulcer Assessment and Management
  • Wound Healing and Treatments
  • Preterm Birth and Chorioamnionitis
  • Astrophysical Phenomena and Observations
  • Impact of Technology on Adolescents
  • Geriatric Care and Nursing Homes
  • Pressure Ulcer Prevention and Management
  • Patient-Provider Communication in Healthcare
  • Prenatal Screening and Diagnostics
  • Palliative Care and End-of-Life Issues
  • Primary Care and Health Outcomes
  • Pregnancy-related medical research
  • Astro and Planetary Science
  • Pelvic floor disorders treatments
  • Mental Health and Patient Involvement
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Healthcare innovation and challenges
  • Data Analysis and Archiving

University of Oxford
2007-2024

Health Affairs
2024

University of Kansas
2020-2023

NHS Fife
2019-2021

Victoria Hospital
2020-2021

The University of Kansas Health System
2021

Royal North Shore Hospital
2021

Nuffield Health
2020

Queen Margaret Hospital
2019-2020

University of Tennessee at Knoxville
2019

<h3>Background:</h3> Developmental eye anomalies, which include anophthalmia (absent eye) or microphthalmia (small are an important cause of severe visual impairment in infants and young children. Heterozygous mutations SOX2, a SOX1B-HMG box transcription factor, have been found up to 10% individuals with such could also be associated range non-ocular abnormalities. <h3>Methods:</h3> We performed mutation analysis on new cohort 120 patients congenital abnormalities, mainly anophthalmia,...

10.1136/bjo.2007.117929 article EN British Journal of Ophthalmology 2007-05-23

FOXE3 is a lens-specific transcription factor with highly conserved forkhead domain previously implicated in congenital primary aphakia and anterior segment dysgenesis. Here, we identify new recessive mutations causative for microphthalmia, sclerocornea, aphakia, glaucoma two extended consanguineous families by SNP array genotyping followed candidate gene approach. Following an additional screen of 236 subjects developmental eye anomalies, report further novel heterozygous segregating...

10.1002/humu.21079 article EN Human Mutation 2009-07-09

Hospice provides an opportunity for patients to receive care at home the end of life (EOL); however, approximately 25% who disenroll from hospice are hospitalized. Hospitalization can lead poor transitions and result in unwarranted adverse patient outcomes. Research examining reasons hospitalization this population is limited.The objective was understand among through perspectives interdisciplinary team (IDT) members.This a qualitative study using grounded theory approach. Seven...

10.1089/jpm.2015.0178 article EN Journal of Palliative Medicine 2015-12-24

Background Many people are accessing digital self-help for mental health problems, often with little evidence of effectiveness. Social anxiety is one the most common sources distress in population, and many symptoms do not seek help what represents a significant public problem. Objective This study aimed to evaluate effectiveness self-guided cognitive behavioral internet intervention social general population. Methods We conducted two-group randomized controlled trial England between May 11,...

10.2196/16804 article EN cc-by Journal of Medical Internet Research 2019-12-10

Summary Components of bacterial chemosensory pathways which sense via transmembrane receptors have been shown to localize the cell poles. Many species, however, operons encoding multiple putative pathways, some including cytoplasmic receptors. In‐genome fusions single or genes components two in Rhodobacter sphaeroides , che Op 2 and 3 revealed that while sensory transducing proteins associated with encoded on were targeted poles, all a cluster. No localized both sites. These data show...

10.1046/j.1365-2958.2003.03716.x article EN Molecular Microbiology 2003-10-06

Summary The purple photosynthetic bacterium Rhodobacter sphaeroides has three loci encoding multiple homologues of the bacterial chemosensory proteins: 13 putative chemoreceptors, four CheW, CheA, six CheY, two CheB and CheR. Previously, studies have shown that, although deletion che Op 1 led to only minor changes in behaviour, 2 a loss taxis. third locus encodes one CheR, CheB, cytoplasmic chemoreceptor (TlpT) protein showing homology chromosomal partitioning factor Soj (designated Slp)....

10.1046/j.1365-2958.2002.03218.x article EN Molecular Microbiology 2002-11-01

Background Traditional health information has been based on facts and figures not patient experience (PEx). Websites featuring people’s accounts of their experiences illness are popular as a source information, support much else. However, there concerns that experiential the internet might have adverse effects health. Aims To find out whether, when how NHS should incorporate PEx into online elucidate mechanisms through which influence health, develop tool to measure PEx, explore is used,...

10.3310/pgfar04170 article EN publisher-specific-oa Programme Grants for Applied Research 2016-11-01

Objective To determine the feasibility of a randomised controlled trial (RCT) assessing effects an experience-based website as resource for self-management chronic asthma. Design and setting Feasibility, single-blind RCT in 2 regions England. Randomisation used computer-generated random number sequence 1:1 ratio, after baseline data collection, to access weeks. Participants Adults (age ≥18 years), with clinically diagnosed asthma coded their primary care electronic record, prescribed inhaled...

10.1136/bmjopen-2016-013401 article EN cc-by-nc BMJ Open 2016-12-01

Objectives Improving patient experience is widely regarded as a key component of health care quality. However, while considerable amount data are collected about experience, there concerns this information not always used to improve care. This study explored whether and how frontline staff use for service improvement. Methods We conducted year-long ethnographic case evaluation, including 299 hours observations 95 interviews, in six medical wards at different hospital sites the United Kingdom...

10.1177/1355819619888675 article EN cc-by Journal of Health Services Research & Policy 2020-02-14

Rhodobacter sphaeroides has multiple homologues of most the Escherichia coli chemotaxis genes, organized in two major operons and other, unlinked, loci. These include cheA 1 cheW ( che Op ) 2 , 3 ). We have deleted each these in‐frame examined chemosensory behaviour strains on swarm plates tethered cell assays. In addition, we effect deletions polar localization chemoreceptor McpG. E. deletion either or results a non‐chemotactic phenotype, also show no receptor clustering. Here, demonstrate...

10.1046/j.1365-2958.2001.02468.x article EN Molecular Microbiology 2001-06-01

Summary TlpC is encoded in the second chemotaxis operon of Rhodobacter sphaeroides . This protein shows some homology to membrane‐spanning chemoreceptors many bacterial species but, unlike these, essential for R. all compounds tested. Genomic replacement tlpC with a C‐terminal gfp fusion demonstrated that localized discrete cluster within cytoplasm. Immunogold electron microscopy also showed cytoplasmic electron‐dense region. Correct TlpC–GFP localization depended on downstream signalling...

10.1046/j.1365-2958.2002.03252.x article EN Molecular Microbiology 2002-12-01

Genes coding for a classical membrane spanning chemoreceptor ( mcpG ) and response regulator cheY4 were identified in region of Rhodobacter sphaeroides DNA unlinked to either the two previously chemosensory operons. Immunogold electron microscopy had shown that expression chemoreceptors R. varies with growth conditions. Using GFP fused newly McpG, we examined targeting this single methyl‐accepting chemotaxis protein (MCP) under different The gene encoding C‐terminal McpG–GFP fusion was...

10.1046/j.1365-2958.2000.01936.x article EN Molecular Microbiology 2000-06-01

The Escherichia coli two-component chemosensory pathway has been extensively studied, and its response regulator, CheY, become a paradigm for regulators. However, unlike E. coli, most chemotactic nonenteric bacteria have multiple CheY homologues. roles cellular localization of the CheYs in Rhodobacter sphaeroides were determined. Only two required chemotaxis, CheY6 either CheY3 or CheY4. These partially localized to chemotaxis signaling clusters, with remaining protein delocalized....

10.1074/jbc.m606016200 article EN cc-by Journal of Biological Chemistry 2006-09-02

Approximately 25% of hospice disenrollments in the United States occur as result hospitalization, which can lead to burdensome transitions and undesired care. Informal caregivers (e.g., spouses, children) play a critical role caring for patients on home hospice. Research examining hospital-related disenrollment among these is limited.To understand events surrounding hospitalization discharged from through perspective their informal caregivers.Thirty-eight semistructured phone interviews with...

10.1089/jpm.2015.0550 article EN Journal of Palliative Medicine 2016-11-28

Background Online customer feedback has become routine in many industries, but it yet to be harnessed for service improvement health care. Objectives To identify the current evidence on online patient feedback; public and professional attitudes behaviour relation explore experiences of patients providing NHS; examine practices processes within NHS trusts. Design A multimethod programme five studies: (1) synthesis stakeholder consultation; (2) questionnaire survey public; (3) qualitative...

10.3310/hsdr07380 article EN publisher-specific-oa Health Services and Delivery Research 2019-10-01

Background and aim The NHS collects a large number of data on patient experience, but there are concerns that it does not use this information to improve care. This study explored whether or how front-line staff experience for service improvement. Methods Phase 1 – secondary analysis existing national survey data, new trust leads. 2 case studies in six medical wards using ethnographic observations interviews. A baseline follow-up were conducted each ward, supplemented by in-depth Following...

10.3310/hsdr08130 article EN publisher-specific-oa Health Services and Delivery Research 2020-03-01

People with learning disabilities are living longer. Despite government policy to encourage people lead supported lives in their community, family carers often maintain support due dissatisfaction services. This can moving from the home a crisis.

10.3310/mthw2644 article EN PubMed 2024-06-01

ABSTRACT Rhodobacter sphaeroides has multiple homologues of most the Escherichia coli chemotaxis genes, organized in three major operons and other, unlinked, loci. These include cheA 1 cheR ( che Op ) 2 , cheB ). In-frame deletions these were constructed chemosensory behaviour resultant mutants examined on swarm plates tethered cell assays. Under conditions tested, CheR CheB essential for normal chemotaxis, whereas was not. but not also able to complement equivalent E. mutants. However, none...

10.1128/jb.183.24.7135-7144.2001 article EN Journal of Bacteriology 2001-12-15

Many proteins have recently been shown to localize different regions of the bacterial cell. This is most striking in case Escherichia coli chemotaxis pathway which components at cell poles. Rhodobacter sphaeroides has a more complex system with two complete pathways, each localizing positions, one pole and discrete cluster within cytoplasm bacterium. Using genomic replacement wild-type genes R. their corresponding fluorescent protein fusions conjunction frame deletions other genes, we...

10.1111/j.1365-2958.2005.04880.x article EN Molecular Microbiology 2005-09-29
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