Interested in 3' UTR changes in scRNA-seq? Check out our:
* CPA-Perturb-seq paper
* UCSC Perturb-seq tracks (see who regulates your favorite 3’ UTR!)
* Seurat extension for polyA site analysis (PASTA)
* Deep neural perturbation network (APARENT-Perturb)
Interested in single cell genomics but need help getting started? Check out the full agenda for our Single Cell Genomics Day next Friday (3/4). All talks will be live-streamed (no registration required) at
Interested in single cell genomics but need help getting started? Check out my lab's Single Cell Genomics Day on March 26. Talks will feature recent exciting computational and experimental advances and will be livestreamed at . Please RT/spread the word!
Interested in single cell genomics but need help getting started? Check out my lab's Single Cell Genomics Day on March 4. Talks will feature recent exciting computational and experimental advances and will be livestreamed at . Please RT/spread the word!
As my lab develops Seurat, I wanted to share some thoughts on the important Seurat and scanpy package selection preprint from
@Josephmrich
/
@lpachter
🧵
Seurat v4 is now available on CRAN! V4 includes tools for single-cell analysis of multimodal, spatial, and pooled CRISPR screen datasets. We also have an updated website with new vignettes, improved docs, and tips for analyzing and integrating many cells:
Interested in single cell genomics but need help getting started? Check out the full agenda for our Single Cell Genomics Day next Friday (4/7). All talks will be live-streamed (no registration required) at
We've released a Seurat update with support for imaging-based spatial technologies! Our new vignette shows how to download, analyze, and explore public datasets from
@vizgen_inc
(MERFISH),
@nanostringtech
(SMI), and
@AkoyaBio
(CODEX).
Check it out at:
Want to hear about the latest updates/new techniques in single cell and spatial genomics? Check out the full agenda for our Single Cell Genomics Day on Friday, 3/29. All talks will be live-streamed (no registration required) at
Interested in single cell genomics but need help getting started? Check out the full agenda for our Single Cell Genomics Day next Friday (3/26). All talks will be live-streamed (no registration required) at
We've been working on Seurat v4 for almost two years, and are excited to share it with you soon!
In a webinar w/
@10xGenomics
on 10/20, I'll introduce new methods to analyze multimodal single-cell data (i.e. from CITE-seq or the 10x multiome ATAC+RNA kit):
Our paper describing Weighted Nearest Neighbor analysis in Seurat v4 is out in
@CellCellPress
! We introduce a framework to analyze and integrate datasets where multiple data types are simultaneously collected in the same cell:
Have been a bit quiet on twitter as we've been getting to know this little guy - say hello to Avyaan Rao-Satija.
And thanks to my lab (esp
@smith_tracymae
) for the amazing Single Cell Genomics Day quilt!
We are excited to open (free!) registration for Next Generation Genomics 2021! Amazing line-up of junior speakers developing new methods in single-cell/spatial analysis, genome engineering, comp. bio, and population genetics. Register+submit an abstract at
We’re excited to release a Seurat update with support for Spatial Transcriptomics data! Includes clustering, interactive visualization, and integration with scRNA-seq references. Check out our vignette on
@10xGenomics
Visium data:
We are excited to introduce CaRPool-seq, a new technology that utilizes Cas13 to perform combinatorial single-cell perturbation screens! Check it out, esp. if you're interested in simultaneously perturbing multiple genes and exploring genetic interactions:
We've been working on Seurat v5 for two years and are excited to share it with you soon!
In a webinar w/
@10xGenomics
and
@ScienceMagazine
on 3/29, I'll introduce new methods to analyze spatial/multimodal datasets that scale to tens of millions of cells:
Our new preprint introducing scCUT&Tag-pro (single-cell profiling of histone modifications and cell surface proteins), scChromHMM (inferring chromatin states in single cells), and an integrated reference of 9 molecular modalities in human PBMC:
Five years ago we released our first version of Seurat. Since then, its been extraordinary to watch the growth of this field and to be part of an uplifting, open, and collaborative community developing analytical tools for single cell genomics.
Interested in single cell genomics but need help getting started? Check out my lab's Single Cell Genomics Day on April 7. Talks will feature recent exciting computational and experimental advances and will be livestreamed at . Please RT/spread the word!
We've released an Azimuth API that lets you process, map, and annotate your scRNA-seq dataset with a single R command. Just needs the raw counts matrix as input, and accepts Seurat objects, AnnData (h5ad), or hdf5 files.
Check out the vignette at:
The landscape of human cells! From Guoji Guo's lab- single-cell RNA-seq of 500,000 cells across 60 human tissues. Also includes biological replicates, detailed annotation, and open code/data:
We are excited to release:
* Our new preprint on weighted nearest neighbor analysis to define cell states based on multiple modalities in Seurat v4
* A multimodal CITE-seq dataset of human PBMC w/200k cells and 228 antibodies
Data/code are available now!
ISAAC-seq (from
@XiChenUoM
lab) profiles RNA+ATAC from the same cell using the 10x Genomics scATAC-seq kit! Data looks very promising- slightly higher reads/cell compared to 10x multiome (and much cheaper).
In our new Seurat vignette, we integrate large scRNA-seq datasets, but only keep small subsets in memory. Scales to (tens of) millions of cells, and works with diverse methods (Seurat/Harmony/fastMNN, etc)
Vignette:
Manuscript:
Check out an update to Seurat wrappers now supporting 11 awesome tools from the community- including CoGAPS, GLM-PCA, Monocle3, and scVelo. We include vignettes to demonstrate how you can easily integrate these tools with Seurat:
We are excited to launch the Center for Integrated Cellular Analysis! As part of the NIH
@genome_gov
CEGS program, we will develop methods to measure and harmonize molecular modalities, spatial context, and lineage history across single cells: (1/3)
Stunning preprint from
@WangXiaoLab
and
@ganoopyliujia
introducing STARmap PLUS for in-situ transcriptome profiling. Used to generate a 3D map of the whole mouse brain and spinal cord (1,000 genes, 1M+ cells)
If you're interested in recent wet+dry advances in single-cell genomics, check out my overview talk from earlier this year. Highlights 15 amazing tools including SNARE-Seq, sci-fi, PETRI-Seq, SMART-Seq3, GLM-PCA, souporcell, NicheNet, and CellPhoneDB:
Two papers in
@CellCellPress
integrating scRNA-seq datasets across modalities and technologies, including CITE-seq, scATAC, methylation, and spatial data!
* LIGER (
@macosko
):
* Our Seurat v3 'anchors' (led by
@timoast
+
@aw_butler
):
Interested in single-cell CRISPR screens for combinatorial perturbations?
Check out CaRPool-seq, where multiple gRNA 'carpool' together on a self-cleavable array.
Now out in
@naturemethods
:
And request our free Starter Kit to try it yourself!
We are recruiting for two computational biologist positions! Applicants at all career stages welcome. Please apply if you'd like to train and work on exciting problems in single-cell genomics, spatial analysis, and statistical learning. Just send your CV by e-mail/DM. Please RT!
Interested in single cell genomics but need help getting started? Check out the agenda for my lab's free workshop next Friday. Very excited that we will be livestreaming all talks with the support of
@cziscience
! Please RT and spread the word!
Interested in single cell genomics but need help getting started? Check out the agenda for my lab's free workshop next Friday. Very excited that we will be livestreaming all talks with the support of
@cziscience
! Please RT and spread the word!
Our Single Cell Genomics Day - highlighting our favorite new sc/spatial methods - starts Friday at 10AM ET!
The most common question we get: is this open to anyone? Yes! Talks are free and live-streamed (no registration required) on Youtube and
We are excited to introduce Phospho-seq, our approach for profiling intracellular protein and cell signaling dynamics alongside additional molecular modalities in single cells!
Check out
@JBlairSci
's preprint at
Want to hear about the latest updates/new techniques in single cell and spatial genomics? Check out my lab's eighth annual Single Cell Genomics Day on March 29. Keynotes from
@IdoAmitLab
@JD_Buenrostro
and Xiaowei Zhuang. Please RT/spread the word!
Our new preprint, led by
@YUHANHAO2
, introduces bridge integration: cross-modality alignment via a multiomic 'bridge' dataset.
We map single-cell ATAC-seq, methylation, CUT&Tag and CyTOF profiles onto scRNA-seq references- scaling to millions of cells.
We've updated our scRNA-seq/scATAC-seq integration vignette to analyze a
@10xGenomics
Multiome dataset (ground truth), and benchmark our ability to perform cross-modality annotation and integration:
Check out our new Seurat vignette on how to annotate and map scATAC-seq data using a scRNA-seq reference, and a 10x multiome dataset as a molecular 'bridge':
Manuscript:
Vignette:
Our scCUT&Tag-pro and scChromHMM manuscript is out
@NatureBiotech
! Led by
@Bingjie_Zhang_
and
@k3yavi
, we use surface proteins to integrate data from six histone modifications, RNA and ATAC - and explore chromatin state heterogeneity in single cells:
Interested in single-cell genomics but need help keeping up with a rapidly changing field? Check out our free
#singlecellgenomicsday
workshop, starting in a few minutes! Full agenda and livestream at , or follow along below:
Impressive work from
@hattaca
and Regev lab introducing inCITE-seq: simultaneously measuring intracellular proteins (including TFs!) and gene expression in single cells:
We have released Azimuth references for human heart, tonsil, and adipose tissue! You can map your own scRNA-seq datasets to 11 different references for automated processing, annotation, visualization, and marker discovery at
Our review, led by
@timoast
, on Integrative Single Cell Analysis is out
@NatureRevGenet
. We cover:
* Technologies for multimodal profiling
* Analytical methods for data harmonization+joint learning
* Integration of spatial and sequencing datasets
If you're interested in who will be a future scientific leader, keep an eye on the PhD students who highlight, promote, and applaud the work of their competitors.
We're excited to release an Azimuth reference of human fetal development. Leverages an incredible sci-RNA-seq3 dataset of 15 organs from
@coletrapnell
@jshendure
and
@junyue_cao
.
You can map and annotate your own data onto this reference at
We compared six commercial + academic multiplexed in-situ gene expression profiling technologies. Check out our preprint, led by
@AustinMHartman
.
Takeaway when evaluating spatial tech: consider both sensitivity and specificity!
Two papers using multimodal single-cell CRISPR screens to study immune checkpoints out in
@NatureGenet
!
* Perturb-CITE-seq from Aviv Regev and
@BizarMd
:
* Our ECCITE-seq study identifying PD-L1 regulators:
Excited to share our Seurat update supporting VisiumHD data from
@10xGenomics
. We explore and validate the ability of HD to map the spatial localization of individual cell types:
Ultra-high throughput scRNA-seq from Christoph Bock's lab! Combines combinatorial barcoding with droplet microfluidics to sequence >150,000 cells on a single
@10xGenomics
lane:
Our free Single Cell Genomics Day livestream starts tomorrow at 10AM EST! You can ask questions during talks via twitter (include
#singlecellgenomicsday
) and we'll relay them to speakers, see you soon!
That's a wrap for
#singlecellgenomicsday
2023! Thanks to our amazing speakers, and to all of you for tuning in!
Its a privilege to celebrate the state of the field for the 7th year in a row, and we look forward to seeing you next year!
(And thanks
@ATJCagan
for illustrating!)
Thanks very much to an editor who just sent us selected comments from one reviewer, while waiting for another who was delayed. Even without a decision, we can get started on potential revisions, and saves time for everyone. Hope this becomes more commonplace.
Frustrated by the sensitivity, scalability, and cost of scRNA-seq? Check out our most recent collaboration w/
@NYGCtech
: Robust, doublet-free, and low-cost molecular profiling of biological systems:
Tired of manually clustering and annotating your scRNA-seq data?
Try Azimuth, which uses our PBMC reference () to automate visualization, annotation and biomarker discovery. Just upload a counts matrix at
Takeaways from amazing
#KSsinglecell
:
1. Spatial technologies are mature, and are tremendously exciting
2. Integrating scRNA-seq data with cell morphology, location, and functional readouts is key for interpretation
3. Single cell genomics is transforming developmental biology
Want to infer causal regulatory changes from scRNA-seq/spatial data? We combined Perturb-seq with
@ParseBio
+
@UltimaGenomics
to systematically perturb signaling regulators across six cell lines and learn their downstream targets. Preprint and data at
Our new preprint on scRNA-seq normalization using regularized NB regression:
* Removes technical variation while preserving biological heterogeneity
* No pseudocount or log-transformation!
* Improves variable gene selection, dimensional reduction, and DE
New preprint from
@GuLiangcai
introducing PIXEL-Seq, which creates high-res oligo arrays from polony gels. Performs spatial transcriptomics at 1um resolution with impressive sensitivity:
Single Cell Genomics Day starts tomorrow at 10AM ET!
Come for the awesome keynotes (
@JD_Buenrostro
, Xiaowei Zhuang,
@IdoAmitLab
) and to learn about our favorite new methods and trends for the field in the last year. All talks streamed on Youtube and
Really exciting package from the
@cziscience
#CZCellByGene
team, enabling easy (and free) access to their 33M cell Census dataset in R. We've used it extensively and it works great! Try it out at
Today
#CZCellxGene
is releasing the R package cellxgene.census — it gives access from R to Census, the largest standardized aggregation of single-cell data, composed of 33M+ cells and 60K genes. You can easily export slices to Seurat or
@Bioconductor
. 🧵⬇️
If you're interested in statistical models of scRNA-seq, this is very clever innovative work from
@const_ae
and
@wolfgangkhuber
. Code is well-documented and open-source, and enabled us to substantially speed up sctransform (update coming soon!):
My overview talk from Single Cell Genomics Day 2024, covering our favorite new technologies and computational methods for the single-cell/spatial field, is now online at
(thanks
@ATCCagan
for the live illustration!)
We're starting a new technology sharing program for
@cegs_ica
!
Sign up for free 'starter kits' for our NTT-seq technology, for simultaneous profiling of multiple chromatin marks in single cells.
Interested in deep learning for scRNA-seq? Check out:
* Autoencoders for de-noising: DCA,
@fabian_theis
;
* Deep transfer learning: SAVER-X, Zhang Lab;
* Single cell variational inference: scVI,
@nir_yosef1
;
ZipSeq from the Krummel lab (
@UCSF
@ImmunoX
) prints spatially-patterned barcodes onto live cells within intact tissues. After dissociation and scRNA-seq, cells can be mapped to their original location!
New preprint w/
@anshulkundaje
introducing CPA-Perturb-seq! We systematically perturb regulators of cleavage and polyadenylation, and explore post-transcriptional changes at single-cell resolution. Led by
@mh_kowalski
@harm__w
and
@jjohlin
(🧵)
Interested in single cell genomics but need help getting started? Sign up for my lab's free Single Cell Genomics Day on 1/24. Practical talks on new comp. and experimental methods, and keynotes from Aviv Regev, Kun Zhang,
@yimmieg
, and
@roserventotormo
:
Very excited for Next-Generation Genomics 2021 - and the wonderful list of junior speakers - later this month! Free registration is still open, and you can see a full agenda at
Our new preprint, led by
@timoast
and
@aw_butler
. We project CITE-seq data onto HCA references, classify scATAC-seq profiles based on scRNA-seq clusters, and harmonize sequencing and imaging data to predict spatial patterns transcriptome-wide:
Two papers out today
@NatureBiotech
for jointly analyzing scRNA-seq datasets!
* context-aware batch correction from Marioni Lab
@emblebi
()
* our Seurat ‘alignment’ of experiments across conditions, technologies, and species ()
In our new preprint, led by
@saketkc
, we analyze 58 scRNA-seq datasets - across a wide range of systems, technologies, and sequencing depths - in order to evaluate the choice and parameterization of statistical error models for scRNA-seq:
Teichmann lab reconstructs the human maternal–fetal interface with breathtaking resolution to find distinct subsets of perivascular, stromal, and NK cells- and predict cell-cell interactions based on ligand/receptor expression profiles!
Andrew Butler (
@aw_butler
), who has been instrumental in the development of our Seurat package and methods for integrative analysis, will be defending his PhD thesis on 4/20! His talk will be online and open to the public- you can register/join at
Didn't feel right to post a 4/1 paper this year, but we were planning to introduce a new scRNA-seq visualization tool where we modify the objective function to allow for zero-inflation, and to ensure the embeddings look like animals (ZUMAP).
Thanks to our wonderful speakers, audience members,
@ATJCagan
, and
@genome_gov
(via
@cegs_ica
) for such an enjoyable
#singlecellgenomicsday
2024! After 8 years of SCGD its incredible to see innovation in the field accelerating- see you next year!
Two new methods for integrating single cell data across modalities in
@NatureBiotech
!
1. Mosaic integration (
@shazanfar
/
@MarioniLab
) to 'hop' across datasets:
2. Our bridge integration (
@YUHANHAO2
) implemented in Seurat v5:
In 2019 we introduced an optimized protocol for transcriptomic profiling that overcomes the cost, sensitivity, and throughput issues with scRNA-seq. Check it out if you're interested in gene expression, but frustrated with standard single-cell protocols:
Two new preprints for performing differential expression across conditions in scRNA-seq data, *without* having to call clusters first:
1. LEMUR (from
@const_ae
@wolfgangkhuber
):
2. miloDE (from
@Alsu_Troost
@MarioniLab
):
Tremendous advance by
@slinnarsson
lab: EEL-FISH enables multiplexed smFISH of ~500 genes across large tissue volumes. All methods and data are openly released, including spatial atlases of the mouse brain and human cortex:
Wow - Robi Mitra's lab engineers TF/piggyBac complexes to record
transcription factor binding + mRNA-seq in single cells! Impressive breakthrough, convincing data, and a big step forward for understanding gene regulation at single cell resolution
What we saw last night also happens when we disagree in Academia. Our tone is deteriorating, personal grievances are used to insult and to mock, and bullying is used to project strength. Please do not mistake it for strength.
We've updated our spatial analysis vignette in Seurat to include the recent Slide-Seq2 data from
@macosko
and Fei Chen's lab. The dataset is stunning - after integration with scRNA-seq references, you can precisely localize cell types in the mouse brain:
We're excited to release an Azimuth reference of human lung! Upload a counts matrix from healthy or diseased tissue, and Azimuth will automatically map to our reference, visualize, annotate, and find biomarkers. Try it out for lung and 5 other organs at
Our perspective with
@fabian_theis
,
@YUHANHAO2
, and
@mo_lotfollahi
on the power and potential of reference mapping across disease states, molecular modalities, perturbations, and species:
Thanks to everyone who tuned in for
#singlecellgenomicsday
! Selected slides, video, and resources are now available at
For those in a different time zone, we will rebroadcast the entire livestream next Thursday (2/6) at 9:30PM EST.
Thanks to everyone who tuned into
#singlecellgenomicsday
!
We have posted slides, references, and video at
One highlight below -
@JeffreyAFarrell
discusses key practical considerations when analyzing/interpreting a developmental trajectory:
We used our Azimuth human lung reference to map 1M cells (10 studies, >200 donors, 8 disease states) into a common space with harmonized annotations and visualization. You can explore the results using the
@cziscience
cellxgene platform at
Next-Generation Genomics starts tomorrow at 10AM EST at . If you forgot to register or have trouble signing in, we are also live-streaming the talks on Youtube at . See you soon!
Interested in single cell genomics but need help getting started? Check out the agenda for my lab's free workshop, this Friday. Very excited that we will be livestreaming with the support of
@cziscience
! Pls RT and spread the word