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Computation Foundations of Spatial T...

Moses, Lambda.

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Computation Foundations of Spatial Transcriptomics.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Computation Foundations of Spatial Transcriptomics./
Author:	Moses, Lambda.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
Description:	447 p.
Notes:	Source: Dissertations Abstracts International, Volume: 85-03, Section: B.
Contained By:	Dissertations Abstracts International85-03B.
Subject:	Gene expression. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30604347
ISBN:	9798380269162

Computation Foundations of Spatial Transcriptomics.
Moses, Lambda.

Computation Foundations of Spatial Transcriptomics. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 447 p.

Source: Dissertations Abstracts International, Volume: 85-03, Section: B.

Thesis (Ph.D.)--California Institute of Technology, 2023.

Single-cell and spatial transcriptomics have come of age in the past few years; datasets and data analysis software packages have proliferated. With the increasing sizes of datasets, proliferating new data collection technologies, and mainstreaming of high-throughput technologies, the software can be improved for better speed and memory efficiency, standardized and consistent user interface for multiple technologies, and in documentation to onboard new users. First, I collected a database of spatial transcriptomics literature and analyzed the data on trends and sociology in this field. Based on the database and data analyses, I wrote a comprehensive book both qualitatively and quantitatively documenting the history of the field since the 1960s and reviewing more recent developments, which informed the software and methods I later developed. Then, to address the challenges with the pre-processing large datasets, we developed kallisto bustools for fast and modular pseudoalignment of sequencing reads to the transcriptome in single-cell RNA-seq (scRNA-seq), giving consistent results with the established and much more computationally demanding alignment method Cell Ranger. Briefly summarized are my attempt to map dissociated cells in scRNA-seq to a spatial gene expression reference and to build a image processing pipeline for image based spatial transcriptomics data analysis. Finally, to address the challenges in downstream analyses of spatial -omics data, I first wrote the new SpatialFeatureExperiment (SFE) data structure to represent and operate on geometries in spatial transcriptomics data and to organize results from spatial analyses. Based on SFE, I wrote Voyager, which brings decades of research in geospatial data analysis to spatial transcriptomics, to better utilize the opportunities from spatial information to gain novel biological insights. To reduce user learning curve, Voyager conforms to SCE styles and conventions and has a comprehensive documentation website and consistent user interface to many geospatial methods.

ISBN: 9798380269162Subjects--Topical Terms:

643979
Gene expression.

Computation Foundations of Spatial Transcriptomics.
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