Evolution of fungi

Majić, Boris (2010) Evolution of fungi. Bachelor's thesis, Faculty of Science > Department of Biology.

[img] PDF
Restricted to Registered users only
Language: Croatian

Download (380kB) | Request a copy

Abstract

Working intensively on the phylogeny of fungi, scientists have come up with a number of discoveries. Thus, Paquin et al, using the mitochondrial genes encoding subunits 1-3 and cytochrome b, provided strong support for the theory of fungi and animals as sister groups, and proposed setting Spizellomycetales as fungi base rather than Blastocladiales. Another strong support for fungi and animals as sister groups comes from Baldauf`s and Palmer`s studies who used conserved nucleus genes for actin, α and β - tubulin, histones, and the translation, elongation factor Ef - 1α. Dollittle et al. conducted a study based on 53 different genes that encode enzymes, and the results showed that the fungi have divergated from animals less than about 965 million years ago. Bowen et al. sequenced chitin synthase genes, belong to three gene families, and they performed tree in which the fungi are divided into 3 classes. Seifert et al., and Kuhls et al, using a sequence of 18S and 28S ribosomal genes, determined phylogenetic relationships between sexual and asexual fungi that have previously been regarded as different species. The study with carrots and bread mold, based on genes of β subunits of F1 - ATP – ase, showed the presence of vertical gene transfer. For many phylogenetic questions ribosomal gene sequences do not offer clear answers. The sequences of other genes and different characteristics are wanted and welcome. Order, work, discipline, new knowledge, new ideas, new technological advances, increasing amounts of money intended for science, better linkages and cooperation of scientists around the world, can help us and also alleviate our way of approaching the true evolution that is essential to all of humanity and will, at least in part, offer an answer to man's eternal questions of his origin, development, relationships and ultimately purposefulness of life.

Item Type: Thesis (Bachelor's thesis)
Supervisor: Kalafatić, Mirjana
Date: 2010
Number of Pages: 16
Subjects: NATURAL SCIENCES > Biology
Divisions: Faculty of Science > Department of Biology
Depositing User: Silvana Šehić
Date Deposited: 29 Oct 2014 11:59
Last Modified: 29 Oct 2014 11:59
URI: http://digre.pmf.unizg.hr/id/eprint/3224

Actions (login required)

View Item View Item

Nema podataka za dohvacanje citata