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Related Concept Videos

Genomics02:02

Genomics

40.9K
Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
40.9K
Genome Size and the Evolution of New Genes03:21

Genome Size and the Evolution of New Genes

9.2K
While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.
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Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes02:16

Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes

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The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
16.8K
Genomic Imprinting and Inheritance02:30

Genomic Imprinting and Inheritance

37.3K
Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
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Cis-regulatory Sequences02:02

Cis-regulatory Sequences

11.9K
Cis-regulatory sequences are short fragments of non-coding DNA that are present on the same chromosomes as the genes that they regulate. These fragments serve as binding sites for transcriptional regulators, proteins that are responsible for controlling gene transcription and differential gene expression across cell types in eukaryotes. Cis-regulatory sequences can be close to the gene of interest or thousands of bases away in the DNA sequence; however, those sequences that are further away are...
11.9K
Plant Hormones01:56

Plant Hormones

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Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.
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Related Experiment Video

Updated: Feb 11, 2026

Genomic MRI - a Public Resource for Studying Sequence Patterns within Genomic DNA
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Genomic MRI - a Public Resource for Studying Sequence Patterns within Genomic DNA

Published on: May 9, 2011

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A guide to sequence your favorite plant genomes.

Fay-Wei Li1,2, Alex Harkess3

  • 1Boyce Thompson Institute Ithaca New York 14853 USA.

Applications in Plant Sciences
|May 8, 2018
PubMed
Summary

Genome sequencing for non-model plants is becoming more accessible. This guide helps researchers navigate genome projects, covering the latest sequencing and assembly methods and essential precautions for success.

Keywords:
Hi‐CIlluminaNanoporePacBiogenome assemblyoptical mapping

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Genomic MRI - a Public Resource for Studying Sequence Patterns within Genomic DNA
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Area of Science:

  • Plant genomics
  • Evolutionary biology
  • Bioinformatics

Background:

  • Advancements in sequencing technology have drastically reduced costs.
  • Whole-genome assembly for non-model organisms is increasingly feasible.

Purpose of the Study:

  • To provide a practical guide for initiating plant genome projects.
  • To compare the latest genome sequencing and assembly methodologies.
  • To highlight critical considerations before undertaking a genome project.

Main Methods:

  • Review and comparison of current genome sequencing platforms.
  • Evaluation of various genome assembly algorithms.
  • Discussion of best practices for data analysis and quality control.

Main Results:

  • Identification of key factors influencing successful genome assembly.
  • Comparison of trade-offs between different sequencing strategies.
  • Outline of potential pitfalls and recommended solutions.

Conclusions:

  • Genome sequencing projects for non-model plants are now within reach.
  • Careful planning and selection of appropriate methods are crucial.
  • Understanding project requirements and potential challenges ensures efficient resource allocation.