Evidence map›Paper›PMID 40300608›Full record

ArticleCell reports methods2025

Accurate prediction of absolute prokaryotic abundance from DNA concentration.

Jakob Wirbel, Tessa M Andermann, Erin F Brooks, Lanya Evans, Adam Groth, Mai Dvorak, Meenakshi Chakraborty, Bianca Palushaj, Gabriella Z M Reynolds, Imani E Porter and 18 more

Abstract read
In one paragraph

Article in Cell reports methods, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

28 authors.

Jakob WirbelDepartment of Medicine, Division of Hematology, Stanford University, Stanford, CA, USA. Electronic address: wirbel@stanford.edu.
Tessa M AndermannDepartment of Medicine, Division of Infectious Diseases, University of North Carolina at Chapel Hill, NC, USA.
Erin F BrooksDepartment of Medicine, Division of Hematology, Stanford University, Stanford, CA, USA.
Lanya EvansDepartment of Medicine, Division of Infectious Diseases, University of North Carolina at Chapel Hill, NC, USA.
Adam GrothDepartment of Medicine, Division of Infectious Diseases, University of North Carolina at Chapel Hill, NC, USA.
Mai DvorakDepartment of Biology, Stanford University, Stanford, CA, USA.
Meenakshi ChakrabortyDepartment of Genetics, Stanford University, Stanford, CA, USA.
Bianca PalushajDepartment of Neurology & Neurological Sciences, Stanford University, Stanford, CA, USA.
Gabriella Z M ReynoldsDepartment of Genetics, Stanford University, Stanford, CA, USA.
Imani E PorterDepartment of Genetics, Stanford University, Stanford, CA, USA.
Monzr Al MalkiDepartment of Hematology & Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA, USA.
Andrew RezvaniBlood and Marrow Transplantation and Cellular Therapy Unit, Stanford University School of Medicine, Stanford, CA, USA.
Mahasweta GooptuHematologic Oncology, Dana-Farber Cancer Institute, Boston, MA, USA.
Hany ElmariahBlood and Marrow Transplant and Cellular Immunotherapy, H. Lee Moffitt Cancer and Research Center, Tampa, FL, USA.
Lyndsey RunaasCenter for International Blood and Marrow Transplant Research, Medical College of Wisconsin, Milwaukee, WI, USA.
Teng FeiDepartment of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York City, NY, USA.
Michael J MartensCenter for International Blood and Marrow Transplant Research, Medical College of Wisconsin, Milwaukee, WI, USA; Division of Biostatistics, Medical College of Wisconsin, Milwaukee, WI, USA.
Javier Bolaños-MeadeDepartment of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Mehdi HamadaniCenter for International Blood and Marrow Transplant Research, Medical College of Wisconsin, Milwaukee, WI, USA.
Shernan HoltanBlood and Marrow Transplantation Section, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA.
Rob JenqDepartment of Hematology & Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA, USA.
Jonathan U PeledAdult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York City, NY, USA; Department of Medicine, Weill Cornell Medical College, New York City, NY, USA.
Mary M HorowitzCenter for International Blood and Marrow Transplant Research, Medical College of Wisconsin, Milwaukee, WI, USA.
Kathleen L PostonDepartment of Neurology & Neurological Sciences, Stanford University, Stanford, CA, USA.
Wael SaberCenter for International Blood and Marrow Transplant Research, Medical College of Wisconsin, Milwaukee, WI, USA.
Leslie S KeanHematologic Oncology, Dana-Farber Cancer Institute, Boston, MA, USA; Division of Pediatric Hematology and Oncology, Boston Children's Hospital, Boston, MA, USA; Department of Pediatrics, Harvard Medical School, Boston, MA, USA.
Miguel-Angel PeralesDepartment of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York City, NY, USA; Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York City, NY, USA.
Ami S BhattDepartment of Medicine, Division of Hematology, Stanford University, Stanford, CA, USA; Department of Genetics, Stanford University, Stanford, CA, USA. Electronic address: asbhatt@stanford.edu.

Funding

X-RAY CRYSTALLOGRAPHYP30CA008748 · NCI · SLOAN-KETTERING INSTITUTE FOR CANCER RES · PI SELWYN M VICKERS · 1985 to 2026
$347.4M
Blood and Marrow Transplant Clinical Trials Network DCC- The Medical College of Wisconsin, Inc.U24HL138660 · NHLBI · MEDICAL COLLEGE OF WISCONSIN · PI Steven M. DeVine, Mehdi Hussain Hamadani · 2017 to 2026
$71.4M
Easy-to-read Informed Consent for HCT Clinical TrialsU10HL069294 · NHLBI · MEDICAL COLLEGE OF WISCONSIN · PI HOROWITZ, MARY MARESCA · 2011 to 2016
$43.8M
INSTITUTIONAL TRAINING GRANT IN GENOME SCIENCET32HG000044 · NHGRI · STANFORD UNIVERSITY · PI MICHAEL P. SNYDER · 1995 to 2026
$32.2M
Stanford Alzheimer's Disease Research CenterAdmin Supp: Developing iPSC models for AD and PDP30AG066515 · NIA · STANFORD UNIVERSITY · PI Inma Cobos · 2020 to 2026
$29.0M
Project 4: Novel reagent development to enable molecular characterizationU19AG065156 · NIA · UNIVERSITY OF WASHINGTON · PI TIAN, LU · 2020 to 2024
$15.9M
Neural mechanisms of gait disturbances as individualized digital biomarker trajectories in preclinical dementiaR01AG089169 · NIA · STANFORD UNIVERSITY · PI Ehsan Adeli · 2024 to 2026
$4.5M
The impact of early Tau pathology on cognitive progression and neuropsychiatric symptoms in Parkinson's diseaseR01NS115114 · NINDS · STANFORD UNIVERSITY · PI ANDREASSON, KATRIN I., POSTON, KATHLEEN LOMBARD · 2019 to 2023
$4.2M
Optimizing HCT Outcomes: A Multi-omic InvestigationR01HL181969 · NHLBI · BOSTON CHILDREN'S HOSPITAL · PI Ami Siddharth Bhatt, Leslie S Kean · 2025 to 2026
$3.9M
Neurofunctional Mechanisms of Changes in Cognition and Motor Function in Aging with HIV and Parkinson's DiseaseR01AG081144 · NIA · SRI INTERNATIONAL · PI TILMAN SCHULTE · 2023 to 2026
$3.2M
ENIGMA Parkinson’s Initiative: A Global Initiative for Parkinson’s DiseaseR01NS107513 · NINDS · UNIVERSITY OF SOUTHERN CALIFORNIA · PI POSTON, KATHLEEN LOMBARD, THOMPSON, PAUL M · 2021 to 2025
$3.2M
Culture-free pathogen tracking in hospitalized patientsR01AI143757 · NIAID · STANFORD UNIVERSITY · PI BHATT, AMI SIDDHARTH · 2020 to 2023
$3.0M
NCI NIH HHS P30 CA008748NCRR NIH HHS S10 RR019513NCRR NIH HHS S10 RR026338NHGRI NIH HHS T32 HG000044NHLBI NIH HHS R01 HL181969NHLBI NIH HHS U10 HL069294NHLBI NIH HHS U24 HL138660NHLBI NIH HHS UG1 HL069278NHLBI NIH HHS UG1 HL069315NIAID NIH HHS K23 AI163365NIAID NIH HHS R01 AI143757NIAID NIH HHS R01 AI148623NIA NIH HHS P30 AG066515NIA NIH HHS R01 AG081144NIA NIH HHS R01 AG089169NIA NIH HHS U19 AG065156NIDDK NIH HHS U01 DK140939NIH HHS S10 OD025004NIH HHS S10 OD026899NINDS NIH HHS R01 NS107513NINDS NIH HHS R01 NS115114NINDS NIH HHS R21 NS132101
6 · The paper itself

Abstract

Quantification of the absolute microbial abundance in a human stool sample is crucial for a comprehensive understanding of the microbial ecosystem, but this information is lost upon metagenomic sequencing. While several methods exist to measure absolute microbial abundance, they are technically challenging and costly, presenting an opportunity for machine learning. Here, we observe a strong correlation between DNA concentration and the absolute number of 16S ribosomal RNA copies as measured by digital droplet PCR in clinical stool samples from individuals undergoing hematopoietic cell transplantation (BMT CTN 1801). Based on this correlation and additional measurements, we trained an accurate yet simple machine learning model for the prediction of absolute prokaryotic load, which showed exceptional prediction accuracy on an external cohort that includes people living with Parkinson's disease and healthy controls. We propose that, with further validation, this model has the potential to enable accurate absolute abundance estimation based on readily available sample measurements.

Indexed as

DNA, BacterialProkaryotic CellsFecesHumansMachine LearningMaleParkinson DiseaseRNA, Ribosomal, 16SDNA, BacterialRNA, Ribosomal, 16Sabsolute microbial abundanceCP: MicrobiologyCP: Systems biologydigital droplet PCRmachine learningmetagenomicsmicrobiome

Identifiers

PMID40300608
PMCPMC12146642

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.