Oded Kleifeld's OpenAlex profile (ORCID 0000-0003-3091-7154) shows 108 works, 5,833 citations, and an h-index of 37 β far higher than the Semantic Scholar fragment (h-index 7, 171 citations, 20 papers), illustrating how author-disambiguation and database coverage dramatically change perceived metrics. The OpenAlex record is the more complete one and is used here .
Two works dominate his impact: the MMP review (1,216 citations) and his first-author TAILS method paper in Nature Biotechnology (546 citations), followed by the Nature Protocols TAILS protocol (315 citations) and a 2014 Cell Reports study on reversible 26S proteasome disassembly under mitochondrial stress (188 citations) .
The authorship pattern is telling. Kleifeld is first author on methodological innovations (TAILS, LysargiNase) and middle/last author on application papers spanning ubiquitin-proteasome biology with Michael Glickman at Technion, structural pore-forming protein biology at Monash, and gonococcal pathogenesis . His recent portfolio is strikingly broad β proteasome-associated DUBs, viral NblA effects on cyanobacteria, desert algal photoprotection, cannabinoid combinations in mouse colitis, computational MMP-9 design β indicating a proteomics core-facility or senior-research-scientist role serving many labs rather than a single sustained independent program.
Strengths: deep mass-spectrometry proteomics expertise, co-invention of a field-standard N-terminomics method with lasting citation traction, publication in top journals (Nature Biotechnology, Nature Methods, Nature Communications, Cell Reports, Molecular Cell), and ~20 years of continuous output .
Blindspots: citation counts are heavily inflated by two legacy works (2006, 2010); recent works (2020β2026) accrue modest citations (23β378 total per year, mostly from the 2021 mitophagy paper), and the 2026 works have zero citations so far. The listed affiliation field is empty, and the split between Semantic Scholar and OpenAlex records adds uncertainty about true publication count. Whether recent applied papers (e.g., CBD/CBDV in colitis, mouse models) replicate independently is unknown from citation data alone β small-animal studies in this area have reproducibility concerns generally.
Verdict basis: an h-index of 37 with 5,833 citations places Kleifeld among established, well-cited researchers, but the concentrated early impact and breadth-over-depth recent pattern indicate high technical/analytical skill with less evidence of independent conceptual leadership. Confidence: moderate β based solely on bibliometric records, not full-text review of methods quality.
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