Article Transcriptome Characterization of the Chinese Fir (Cunninghamia lanceolata (Lamb.) Hook.) and Expression Analysis of Candidate Phosphate Transporter Genes Ming Li 1,2, Suo-Suo Su 1, Peng-Fei Wu 1, Kenneth M. Cameron 2, Ying Zhang 1, Wan-Ting Chen 1 and Xiang-Qing Ma 1,* 1 College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
[email protected] (M.L.);
[email protected] (S.-S.S.);
[email protected] (P.-F.W.);
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[email protected] (W.-T.C.) 2 Department of Botany, University of Wisconsin-Madison, Madison, WI 53706, USA;
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[email protected]; Tel.: +86-0591-8370-6551 Received: 31 August 2017; Accepted: 31 October 2017; Published: 3 November 2017 Abstract: Chinese fir (Cunninghamia lanceolata (Lamb.) Hook.) is the most important afforestation tree species in China because of its excellent timber quality and high yield. However, the limited availability of phosphorus in forest soils is widespread and has become an important factor in the declining productivity of Chinese fir plantations. Here we used the Illumina HiSeq™ 2000 DNA sequencing platform to sequence root, stem, and leaf transcriptomes of one-year old Chinese fir clones with phosphorus treatment. Approximately 236,529,278 clean reads were obtained and generated 35.47 G of sequencing data. These reads were assembled into 413,806 unigenes with a mean length of 520 bp. In total, 109,596 unigenes were annotated in the NR (NCBI non-redundant) database, 727,287 genes were assigned for GO (Gene Ontology) terms, information for 92,001 classified unigenes was assigned to 26 KOG (Karyotic Orthologous Groups) categories, and 57,042 unigenes were significantly matched with 132 KEGG (Kyoto Encyclopedia of Genes and Genomes) predicted pathways.