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Diuraphis noxia strain:RWA2

ABSTRACT: Diuraphis noxia strain:RWA2 Genome sequencing and assembly

PROVIDER: PRJNA233413 | ENA |

REPOSITORIES: ENA

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Dataset's files

Source:

			Action	DRS
	JOTR01.dat.gz	Other
	JOTR01.fasta.gz	Fasta.gz
	JOTR01.master.dat	Other
	SRR1214580_1.fastq.gz	Fastqsanger.gz
	SRR1214580_2.fastq.gz	Fastqsanger.gz

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RNA-seq analysis of excised salivary glands of Diuraphis noxia

Project description:RNA was extracted from a pooled sample of salivary glands that were excised from adult Diuraphis noxia aphids of two biotypes SA1 and SAM2.0. South African D. noxia biotype SA1 is known to be the least virulent aphid, while its offspring, the South African D. noxia biotype SAM2.0 is a newly developed biotype that is capable of feeding on several resistant cultivars. The overall purpose of the experiment was to establish a baseline availability of transcripts contained in the salivary glands of D. noxia aphids as well as help improve on current genome assemblies. In total, 200 glands were excised from both biotypes feeding on various wheat hosts (Tugela, Tugela Dn1, Gamtoss R, SST387). Aphid glands were excised in PBS buffer and stored in RNA-later until RNA extraction with a Qiagen Rneasy kit could commence. Library preparation for sequencing was performed using an Illumina TruSeq Stranded mRNA LT Sample Prep Kit following the TruSeq Stranded mRNA Sample Preparation Guide, Part # 15031047 Rev. E protocol. The single library was then sequenced on a NovaSeq6000 system. De novoassembly was performed making use of the Trinity package.

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Project description:RNA was extracted from all instar (insect developmental) stages for both D. noxia biotypes SA1 and SAM with the purpose to capture as many expressed transcripts as possible. South African D. noxia biotype SA1 is known to be the least virulent aphid, while its offspring, the South African D. noxia biotype SAM is the most virulent. The overall purpose of the experiment was to establish a baseline availability of transcripts to the aphids as well as help improve on current genome assemblies. Three biological replicates of 100 aphids each was collected from both biotypes SA1 and SAM that were respectively reared on preference host cultivars. Whole aphids were flash frozen in liquid nitrogen, ground to a powder with micro pistils and RNA was extracted making use of a Qiagen RNeasy kit. Library preparation for sequencing was performed using an Illumina TruSeq Stranded mRNA LT Sample Prep Kit following the TruSeq Stranded mRNA Sample Preparation Guide, Part # 15031047 Rev. E protocol. The replicate samples from the SAM biotype yielded between 120 – 140 million 100bp PE reads and the replicate samples from the SA1 biotype yielded between 113 – 137 million 100bp PE reads (with a Q20 phred score above 98% for all replicates) after sequencing on the NovaSeq6000 system. De novoassembly was performed making use of the Trinity package.

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