Phylogenetics - PowerPoint PPT Presentation


Progressive Alignment Overview in Phylogenetics

In the field of phylogenetics, the process of progressive alignment is crucial for aligning sequences and building evolutionary trees. This approach involves generating pairwise alignments, estimating distances, constructing guide trees, and aligning sequences progressively based on the tree. Needle

0 views • 12 slides


Computing Triplet and Quartet Distances Between Evolutionary Trees

Study on computing triplet and quartet distances in evolutionary trees, comparing rooted vs. unrooted, binary vs. arbitrary degree trees. Discusses algorithms, experimental results, and evolutionary tree construction methods. Includes analysis on cultural phylogenetics and evolutionary tree comparis

0 views • 27 slides



Enhancing Phylogenetic Analysis Using Divide-and-Conquer Methods

Large-scale phylogenetics presents challenges due to NP-hardness and dataset sizes. Divide-and-conquer methods like SATe, PASTA, and MAGUS enable efficient processing of large datasets by dividing, aligning, and merging subsets with accuracy. MAGUS, a variant of PASTA, utilizes a unique alignment me

0 views • 15 slides


Understanding Unrooted Trees in Phylogenetics

Explore the concept of unrooted trees in phylogenetics, including Newick strings, induced quartet trees, and representations. Learn about the importance of drawing rooted and unrooted trees, as well as understanding the relationship between unrooted trees and binary rooted evolutionary trees.

0 views • 63 slides


Challenges in Computational Linguistic Phylogenetics

This article delves into the challenges and controversies surrounding Indo-European language history, including discussions on subgrouping, the IE homeland, and the life of proto-Indo-European speakers. It explores hypotheses such as the Anatolian and Kurgan theories, estimating dates and homelands

0 views • 51 slides