biological question
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2021 ◽  
Author(s):  
Quarello Paola ◽  
Perotti Daniela ◽  
Carli Diana ◽  
Giorgio Elisa ◽  
Sirchia Fabio ◽  
...  

2020 ◽  
Vol 12 (9) ◽  
pp. 1573-1578
Author(s):  
Lorraine A K Ayad ◽  
Athanasia-Maria Dourou ◽  
Stilianos Arhondakis ◽  
Solon P Pissis

Abstract Genomes are characterized by large regions of homogeneous base compositions known as isochores. The latter are divided into GC-poor and GC-rich classes linked to distinct functional and structural properties. Several studies have addressed how isochores shape function and structure. To aid in this important subject, we present IsoXpressor, a tool designed for the analysis of the functional property of transcription within isochores. IsoXpressor allows users to process RNA-Seq data in relation to the isochores, and it can be employed to investigate any biological question of interest for any species. The results presented herein as proof of concept are focused on the preimplantation process in Homo sapiens (human) and Macaca mulatta (rhesus monkey).


2020 ◽  
Vol 16 (7) ◽  
pp. 20200199 ◽  
Author(s):  
Thomas Guillerme ◽  
Natalie Cooper ◽  
Stephen L. Brusatte ◽  
Katie E. Davis ◽  
Andrew L. Jackson ◽  
...  

Analyses of morphological disparity have been used to characterize and investigate the evolution of variation in the anatomy, function and ecology of organisms since the 1980s. While a diversity of methods have been employed, it is unclear whether they provide equivalent insights. Here, we review the most commonly used approaches for characterizing and analysing morphological disparity, all of which have associated limitations that, if ignored, can lead to misinterpretation. We propose best practice guidelines for disparity analyses, while noting that there can be no ‘one-size-fits-all’ approach. The available tools should always be used in the context of a specific biological question that will determine data and method selection at every stage of the analysis.


2019 ◽  
Vol 19 (3) ◽  
pp. 403-413
Author(s):  
Justo Aznar ◽  

An unquestionably important biological question is whether human beings are the product of chance or of purpose in the evolutionary process. Charles Darwin did not accept purpose in biological evolution, a view not shared by his colleague Alfred Russel Wallace. The controversy has remained ever since, and while many experts argue against purpose in biological evolution, many others defend it. This paper reflects on this biological and ethical problem, relating it to the possible existence of a plan that governs and shapes the evolution of living beings and that is ultimately responsible for the development of Homo sapiens.


2009 ◽  
Vol 16 (3) ◽  
pp. 271-281 ◽  
Author(s):  
Ryan T.K. Lin ◽  
Justin Liang-Te Chiu ◽  
Hong-Jie Dai ◽  
Richard Tzong-Han Tsai ◽  
Min-Yuh Day ◽  
...  

2008 ◽  
Vol 2 ◽  
pp. BBI.S706
Author(s):  
Amy M. Hauth ◽  
Gertraud Burger

Motivation A recurrent criticism is that certain bioinformatics tools do not account for crucial biology and therefore fail answering the targeted biological question. We posit that the single most important reason for such shortcomings is an inaccurate formulation of the computational problem. Results Our paper describes how to define a bioinformatics problem so that it captures both the underlying biology and the computational constraints for a particular problem. The proposed model delineates comprehensively the biological problem and conducts an item-by-item bioinformatics transformation resulting in a germane computational problem. This methodology not only facilitates interdisciplinary information flow but also accommodates emerging knowledge and technologies.


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