[3] Ma J F, Zhou X, Ma J, et al. Microscopy and Microanalysis, 2014. 1.
[4] Lehringer C, Gierlinger N, Koch G. Holzforschung, 2008, 62(3): 255.
[5] Siqueira G, Milagres A M, Carvalho W, et al. Biotechnology for Biofuels, 2011, 4: 7.
[6] Bahng M L, Donohoe B S, Nimlos M R. Energy Fuels, 2011, 25: 370.
[7] Agarwal U P. Planta, 2006, 224(5): 1141.
[8] Gierlinger N, Luss S, Konig C, et al. Journal of Experimental Botany, 2010, 61(2): 587.
[9] Chu L Q, Masyuko R, Sweedler J V, et al. Bioresource Technology, 2010, 101(13): 4919.
[10] Chundawat S P S, Donohoe B S, da Costa Sousa L, et al. Energy & Environmental Science, 2011, 4(3): 973.
[11] Belmokhtar N, Habrant A, Ferreira N L, et al. Bioenergy Research, 2013, 6(2): 506.
[12] Samuel R, Pu Y Q, Raman B, et al. Applied Biochemistry and Biotechnology, 2010, 162(1): 62.
[14] Donohoe B S, Decker S R, Tucker M P, et al. Biotechnology and Bioengineering, 2008, 101(5): 913.