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Update ImprovingMAG.md
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DianaOaxaca authored Oct 17, 2024
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---

## Metagenomics
Metagenomes are collections of genomic
sequences from various (micro)organisms that coexist in any
given space. They are like snapshots that can give us information
about the taxonomic and even metabolic or functional composition
of the communities we decide to study. Thus, metagenomes
are usually employed to investigate the ecology of defining
charac
**El pozol** es un alimento ácido, fermentado a partir de maíz nixtamalizado, de importancia económica y cultural, se consume desde tiempos prehispánicos y se ha estudiado desde los años 50s.

Algunos puntos importantes que conocemos son:

<FONT COLOR="blue">

- No se inocula y al final de su fermentación tiene alta diversidad microbiana.

- Es muy nutritivo, tiene un alto contenido de aminoácidos esenciales.

- Es considerado como **prebiótico,** contiene fibras solubles y microorganismos benéficos para la salud intestinal humana**.**

</FONT>
## On Metadata

Once we have chosen an adequate methodology for our study,
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correlated to the metadata, which is why we must devote a whole section
of our experimental design to the metadata we expect to collect and record carefully.

> ## Discussion #1: Choosing amplicon or shotgun sequencing?
> ## Discussion #1: 1. Responde
>
> Suppose you want to find the source of a nasty gut infection in people. Which type of sequencing methodology would you choose?
> Which type of metadata would be helpful to record?
> ¿Cuántos bins se formaron?
> ¿Qué parámetros cambiarías o agregarías?
>
>> ## Solution
>> For a first exploration, 16S is a better idea since you could detect known pathogens by knowing the taxons in the community.
>> Nevertheless, if the disease is the consequence of a viral infection, the pathogen can only be discovered with shotgun metagenomics (that was the case of SARS-CoV 2).
>> Also, metabarcoding does not provide insights into the genetic basis of the pathogenic phenotypes.
>> Metadata will depend on the type of experiment. For this case, some helpful metadata could be sampling methodology,
>> date, place (country, state, region, city, etc.), patient's sex and age, the anatomical origin of the sample, symptoms, medical history, diet, lifestyle, and environment.
>>
>> 1. `ls results/04.metabat/`
>> 2. `metabat2 –-help`
> {: .solution}
{: .discussion}

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{: .challenge}

~~~
library(matplotlib)
conda deactivate
~~~
{: .rlanguage}
{: .bash}

~~~
@MISEQ-LAB244-W7:156:000000000-A80CV:1:1101:12622:2006 1:N:0:CTCAGA
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