sub:assertion {
<
http://purl.obolibrary.org/obo/NCBITaxon_1>
rdfs:label " root" .
<
http://purl.obolibrary.org/obo/PO_0025034>
rdfs:label "leaf" .
sub:_1 rdfs:label "recalcitrant samples" .
sub:_2 rdfs:label "recalcitrant samples" .
sub:_3 rdfs:label "mortar" .
sub:_4 rdfs:label "pestle" .
sub:_5 rdfs:label "liquid nitrogen" .
sub:_6 rdfs:label "extraction buffer" .
sub:step dce:description "Ground samples (leaf, shoot, root, and recalcitrant samples, approximately 0.5-1 g) using 1 ml of the extraction buffer with or without liquid nitrogen in mortar and pestle that are sterilized.CRITICAL STEP The procedure are carried out at room temperature except the centrifugation steps (at 4℃) as well as the time of precipitating of the nucleic acid using the isopropanol (on ice).CRITICAL STEP Severely disrupt the tissues to create the glaze mode of samples" ;
sp:hasExperimentalInput <
http://purl.obolibrary.org/obo/NCBITaxon_1> , <
http://purl.obolibrary.org/obo/PO_0025034> ,
sub:_1 , <
http://www.ebi.ac.uk/efo/EFO_0000992> ;
a pplan:Step ;
bs:bioSampleUsed <
http://purl.obolibrary.org/obo/NCBITaxon_1> , <
http://purl.obolibrary.org/obo/PO_0025034> ,
sub:_2 , <
http://www.ebi.ac.uk/efo/EFO_0000992> ;
bs:labEquipmentUsed sub:_3 ,
sub:_4 ;
bs:reagentUsed sub:_5 ,
sub:_6 .
<
http://www.ebi.ac.uk/efo/EFO_0000992>
rdfs:label "shoot" .
}