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Questions related to Phylogenetics
Maximum-likelihood (ML) tree based on GTR, why we choose this GTR mode to construct a phylogenetic tree? Could anybody explain it with ref/article if there is any? I may find answer in Nei and...
03 April 2016 6,079 9 View
Currently I am analyzing amplicon sequencing data generated from diseased and control individuals. In that observed OTUs are more in control individuals but Shannon index is significantly higher...
17 March 2016 2,877 5 View
The recent example of Clastoderma would not be an indication that the Licea with dark sporebelong to Myxomycetes dark spore clade?
08 March 2016 1,024 2 View
Hi all. I need to search/download specific marker genes for phylogenetic reconstruction (e.g 18S rRNA, 28S rRNA, ITS1) for a relatively large set of species. I have tried searching GenBank with GO...
05 March 2016 561 3 View
hello everyone ! I got a question about trait evolution analysis.I have COI (Cytochrome oxidase I) DNA sequences for all species, and I have excel sheet for all morphological characters for all...
04 March 2016 8,491 9 View
URGENT PLEASE HELP: How to I explain this maximum likelihood phylogenetic tree. I made this tree using H5N1 nucleotide sequences from China between 1996-2000 using MEGA. What do the branch length...
03 March 2016 341 3 View
Sheep Investigators Popular genetics Biodiversity Molecular biology Phylogenetics
03 March 2016 7,130 3 View
Phylogenetically speaking, why can human insulin be used to treat dog diabetes?
03 March 2016 305 1 View
03 March 2016 3,677 6 View
03 March 2016 7,277 3 View
03 March 2016 1,133 10 View
Hi I recently started working on phylogenetic analysis. I made a tree the picture is attached below. What does number indicates at nodes of the tree. What more inference can I draw from the...
03 March 2016 9,502 13 View
To validate a new analytical tool, I would like to test it on a very well supported, robust phylogeny for which all the DNA sequences are publicly available. What is the best phylogeny...
03 March 2016 1,967 5 View
I am trying to bulid phylogenetic tree on NGS data of 7 samples with respect to 6 annotated reference genomes.I tried MAFFT plugin, but did not succeed
03 March 2016 1,164 5 View
03 March 2016 10,122 11 View
02 March 2016 10,009 3 View
I generated the distances from microsatelite data using GeneAlex and used the "export to MEGA" option to create a .MEG file. Now when i want to using this file to MEGA a number of errors have been...
26 February 2016 3,036 3 View
I have nuclear and mitochondrial sequences each arranged separately in fasta format and I need to have a combined format of those to conduct population genetics and phylogenetic analyses. Thanks,
26 February 2016 1,483 5 View
I am looking for secondary constraints to assist with constructing a phylogeny of Stereocaulon species found in and around glacial forelands in Alaska.
25 February 2016 6,544 1 View
Hello, I know tef can be used as a phylogenetic marker for fungi. But what about other organisms? For eukaryotes, 18S rRNA is definitely too conservative in many cases. By the way, COI is used in...
22 February 2016 584 2 View
I want to calculate the phylogenetic signal of the categorical traits, while I think the K statistic could most suitable for the continuous traits. Can anyone offer me some suggestions. Thank you!
20 February 2016 2,953 19 View
I am new to this and I have just constructed a phylogenetic tree of 24 bacteria isolated from a kefir generated from the PCR-amplified bacterial 16S rDNA partial sequences (ca. 900 bp) based on...
17 February 2016 10,083 5 View
I have undertaken a genetic diversity study on rice and some bootstrap values range as low as 10. I’m really looking to find out what you’d consider to be the most informative values
17 February 2016 5,922 7 View
Read 10 answers by scientists to the question asked by Jitendra Thakur on Feb 10, 2016
10 February 2016 7,158 9 View