Alexandra M. Johnstone

12.9k total citations · 5 hit papers
149 papers, 9.6k citations indexed

About

Alexandra M. Johnstone is a scholar working on Physiology, Public Health, Environmental and Occupational Health and Cell Biology. According to data from OpenAlex, Alexandra M. Johnstone has authored 149 papers receiving a total of 9.6k indexed citations (citations by other indexed papers that have themselves been cited), including 89 papers in Physiology, 70 papers in Public Health, Environmental and Occupational Health and 24 papers in Cell Biology. Recurrent topics in Alexandra M. Johnstone's work include Diet and metabolism studies (64 papers), Obesity, Physical Activity, Diet (43 papers) and Nutritional Studies and Diet (35 papers). Alexandra M. Johnstone is often cited by papers focused on Diet and metabolism studies (64 papers), Obesity, Physical Activity, Diet (43 papers) and Nutritional Studies and Diet (35 papers). Alexandra M. Johnstone collaborates with scholars based in United Kingdom, Ireland and Netherlands. Alexandra M. Johnstone's co-authors include Grietje Holtrop, Harry J. Flint, Sylvia H. Duncan, G. E. Lobley, R. James Stubbs, Jennifer Ince, Petra Louis, Graham Horgan, John R. Speakman and K. A. Rance and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and NeuroImage.

In The Last Decade

Alexandra M. Johnstone

143 papers receiving 9.3k citations

Hit Papers

Dominant and diet-responsive groups of bacteria within th... 2006 2026 2012 2019 2010 2008 2006 2011 2014 400 800 1.2k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Dominant and diet-responsive groups of bacteria within the human colonic microbiota
    2010 1.2k citations Alan W. Walker, Sylvia H. Duncan et al. profile →
  2. Human colonic microbiota associated with diet, obesity and weight loss
    2008 935 citations Sylvia H. Duncan, Grietje Holtrop et al. profile →
  3. Reduced Dietary Intake of Carbohydrates by Obese Subjects Results in Decreased Concentrations of Butyrate and Butyrate-Producing Bacteria in Feces
    2006 734 citations Sylvia H. Duncan, Álvaro Belenguer et al. profile →
  4. High-protein, reduced-carbohydrate weight-loss diets promote metabolite profiles likely to be detrimental to colonic health
    2011 574 citations Wendy R. Russell, Silvia W. Gratz et al. profile →
  5. Impact of diet and individual variation on intestinal microbiota composition and fermentation products in obese men
    2014 509 citations Grietje Holtrop, Sylvia H. Duncan et al. profile →

Peers

Alexandra M. Johnstone
Comparison fields: 5 of 169
  • Physiology 4.9k
  • Molecular Biology 4.0k
  • Public Health, Environmental and Occupational Health 2.6k
  • Nutrition and Dietetics 1.3k
  • Food Science 1.3k
Replace Faidon Magkos with:
Faidon Magkos United States
Manny Noakes Australia
Anne Raben Denmark
W. W. Campbell United States
Christiani Jeyakumar Henry Singapore
G. Harvey Anderson Canada
Raylene A. Reimer Canada
Inge Huybrechts France
Jennie Brand‐Miller Australia
V. J. Burley United Kingdom
Faidon Magkos United States View profile →
Citations per field, relative to Alexandra M. Johnstone
Alexandra M. Johnstone · 1×
Citations per year, relative to Alexandra M. Johnstone
Alexandra M. Johnstone · 1×

Countries citing papers authored by Alexandra M. Johnstone

Since Specialization
Citations

This map shows the geographic impact of Alexandra M. Johnstone's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Alexandra M. Johnstone with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alexandra M. Johnstone more than expected).

Fields of papers citing papers by Alexandra M. Johnstone

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alexandra M. Johnstone. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Alexandra M. Johnstone. The network helps show where Alexandra M. Johnstone may publish in the future.

Co-authorship network of co-authors of Alexandra M. Johnstone

This figure shows the co-authorship network connecting the top 25 collaborators of Alexandra M. Johnstone. A scholar is included among the top collaborators of Alexandra M. Johnstone based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Alexandra M. Johnstone. Alexandra M. Johnstone is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
# Work Indexed citations
1
Consensus statement on exploring the Nexus between nutrition, brain health and dementia prevention
2025 ·Nutrition & Metabolism ·Alexandra M. Johnstone, Emiliano Albanese, Daniel R. Crabtree, Boushra Dalile, Stefanie Grabrucker, Jenna M. Gregory, Giuseppe Grosso, (unknown), Catherine Hughes, Catherine Itsiopoulos, John Mamo, Claire T. McEvoy, Phyo Kyaw Myint, (unknown), David Vauzour, Mario Siervo
2
2
Understanding the barriers to purchasing healthier, more environmentally sustainable food for people living with obesity and varying experiences of food insecurity in the UK
2025 ·Food Policy ·(unknown), Paul Christiansen, Alexandra M. Johnstone, Adrian Brown, Flora Douglas, Charlotte A. Hardman
4
3
Protocol for a quasi-experimental analysis: using retail sales data to evaluate impacts of the high fat, sugar and salt (HFSS) product placement restrictions legislation in England
2025 ·BMJ Public Health ·(unknown), (unknown), (unknown), Alison Fildes, Alexandra M. Johnstone, Michelle Morris
0
4
Prevalence of overweight and obesity in incarcerated individuals in developed and developing countries: A systematic review and meta‐analysis
2025 ·Obesity Reviews ·(unknown), Magaly Aceves‐Martins, Alexandra M. Johnstone, Baukje de Roos
1
5
An increasing proportion of the population is not covered by the current RDA for vitamin C – interrogation of EPIC-Norfolk and NHANES 2017/2018 cohorts
2024 ·Critical Reviews in Food Science and Nutrition ·Anitra C. Carr, Phyo Kyaw Myint, (unknown), Alexandra M. Johnstone, (unknown), Jens Lykkesfeldt
6
6
Impact of age on the prevalence of poor-quality dietary variety, associated lifestyle factors, and body composition profile (low body muscle mass and high body fat mass) in older people residing in Colombo district, Sri Lanka
2024 ·Heliyon ·(unknown), (unknown), Alexandra M. Johnstone, Phyo Kyaw Myint
1
7
Tackling diet inequalities in the UK food system: is food insecurity driving the obesity epidemic? (The FIO Food project)
2023 ·Proceedings of The Nutrition Society ·Alexandra M. Johnstone, Marta Lonnie
5
8
The cost‐of‐living crisis is feeding the paradox of obesity and food insecurities in the UK
2023 ·Obesity ·Alexandra M. Johnstone, Marta Lonnie, (unknown)
11
9
Education Intervention Has the Potential to Improve Short-Term Dietary Pattern among Older Adults with Undernutrition
2023 ·Geriatrics ·(unknown), (unknown), Alexandra M. Johnstone, Phyo Kyaw Myint
1
10
Investigating the Effectiveness of Very Low-Calorie Diets and Low-Fat Vegan Diets on Weight and Glycemic Markers in Type 2 Diabetes Mellitus: A Systematic Review and Meta-Analysis
2022 ·Nutrients ·(unknown), Alex Mackay, Ben Carter, Claire Fyfe, Alexandra M. Johnstone, Phyo Kyaw Myint
11
11
Determinants of Undernutrition and Associated Factors of Low Muscle Mass and High Fat Mass among Older Men and Women in the Colombo District of Sri Lanka
2022 ·Geriatrics ·(unknown), (unknown), Phyo Kyaw Myint, Alexandra M. Johnstone
2
12
Higher total faecal short-chain fatty acid concentrations correlate with increasing proportions of butyrate and decreasing proportions of branched-chain fatty acids across multiple human studies
2022 ·SHILAP Revista de lepidopterología ·(unknown), Grietje Holtrop, Graham Horgan, Silvia W. Gratz, Álvaro Belenguer, Nicola M. Smith, Alan W. Walker, Sylvia H. Duncan, Alexandra M. Johnstone, Petra Louis, Harry J. Flint, Karen P. Scott
29
13
Self-Reported Purchasing Behaviour, Sociodemographic Predictors of Plant-Based Protein Purchasing and Knowledge about Protein in Scotland and England
2022 ·Nutrients ·(unknown), Claire Fyfe, Graham Horgan, Alexandra M. Johnstone
7
14
Hemp and buckwheat are valuable sources of dietary amino acids, beneficially modulating gastrointestinal hormones and promoting satiety in healthy volunteers
2021 ·European Journal of Nutrition ·Madalina Neacsu, Nicholas J. Vaughan, Salvatore Multari, (unknown), Lorraine Scobbie, Gary Duncan, Louise Cantlay, Claire Fyfe, Susan E. Anderson, Graham Horgan, Alexandra M. Johnstone, Wendy R. Russell
19
15
Exploring Health-Promoting Attributes of Plant Proteins as a Functional Ingredient for the Food Sector: A Systematic Review of Human Interventional Studies
2020 ·Nutrients ·Marta Lonnie, (unknown), (unknown), Graham Horgan, Wendy R. Russell, Alexandra M. Johnstone
37
16
Sapogenol is a Major Microbial Metabolite in Human Plasma Associated with High Protein Soy-Based Diets: The Relevance for Functional Food Formulations
2020 ·Foods ·Madalina Neacsu, Vassilios Raikos, (unknown), Sylvia H. Duncan, Gary Duncan, (unknown), Alexandra M. Johnstone, Wendy R. Russell
18
17
Mealtime: A circadian disruptor and determinant of energy balance?
2020 ·Journal of Neuroendocrinology ·(unknown), Peter J. Morgan, Alexandra M. Johnstone
49
18
Inadequacy of Protein Intake in Older UK Adults
2020 ·Geriatrics ·Susan Morris, (unknown), Mark Green, Alexandra M. Johnstone, Jeffrey M. Brunstrom, Emma Stevenson, Elizabeth A. Williams, Bernard M. Corfe
22
19
Protein for Life: Review of Optimal Protein Intake, Sustainable Dietary Sources and the Effect on Appetite in Ageing Adults
2018 ·Nutrients ·Marta Lonnie, (unknown), Jeffrey M. Brunstrom, Bernard M. Corfe, Mark Green, Anthony Watson, Elizabeth A. Williams, Emma Stevenson, Simon Penson, Alexandra M. Johnstone
231
20
Impact of Short Term Consumption of Diets High in Either Non-Starch Polysaccharides or Resistant Starch in Comparison with Moderate Weight Loss on Indices of Insulin Sensitivity in Subjects with Metabolic Syndrome
2013 ·Nutrients ·G. E. Lobley, Grietje Holtrop, David Bremner, A. G. Calder, E. Milne, Alexandra M. Johnstone
33

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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